﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xsi:schemaLocation="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2012v2.3">
  <ReturnHeader binaryAttachmentCount="0">
    <Timestamp>2014-05-13T16:46:08-05:00</Timestamp>
    <TaxPeriodEndDate>2013-06-30</TaxPeriodEndDate>
    <PreparerFirm>
      <PreparerFirmBusinessName>
        <BusinessNameLine1>GRANT THORNTON LLP</BusinessNameLine1>
      </PreparerFirmBusinessName>
      <PreparerFirmUSAddress>
        <AddressLine1>ONE CALIFORNIA STREET SUITE 2300</AddressLine1>
        <City>SAN FRANCISCO</City>
        <State>CA</State>
        <ZIPCode>94111</ZIPCode>
      </PreparerFirmUSAddress>
    </PreparerFirm>
    <ReturnType>990</ReturnType>
    <TaxPeriodBeginDate>2012-07-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>941696494</EIN>
      <Name>
        <BusinessNameLine1>The Exploratorium</BusinessNameLine1>
      </Name>
      <InCareOfName>% EXPLORATORIUM</InCareOfName>
      <NameControl>THEE</NameControl>
      <Phone>4155637337</Phone>
      <USAddress>
        <AddressLine1>Piers 15/17</AddressLine1>
        <AddressLine2>Suite</AddressLine2>
        <City>San Francisco</City>
        <State>CA</State>
        <ZIPCode>94111</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>Laura Zander</Name>
      <Title>coo</Title>
      <Phone>4155637337</Phone>
      <DateSigned>2014-05-12</DateSigned>
      <AuthorizeThirdParty>true</AuthorizeThirdParty>
    </Officer>
    <Preparer>
      <Name>CHRISTINA BECKWITH</Name>
      <Phone>4159863900</Phone>
    </Preparer>
    <TaxYear>2012</TaxYear>
    <BuildTS>2015-11-30 17:44:51Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="13">
    <IRS990 documentId="IRS990" referenceDocumentId="IRS990ScheduleO">
      <NameOfPrincipalOfficerPerson>Dennis Bartels</NameOfPrincipalOfficerPerson>
      <AddressPrincipalOfficerUS>
        <AddressLine1>Piers 15/17</AddressLine1>
        <City>San Francisco</City>
        <State>CA</State>
        <ZIPCode>94111</ZIPCode>
      </AddressPrincipalOfficerUS>
      <GrossReceipts>87181517</GrossReceipts>
      <GroupReturnForAffiliates>false</GroupReturnForAffiliates>
      <Organization501c3>X</Organization501c3>
      <WebSite>www.exploratorium.edu</WebSite>
      <TypeOfOrganizationCorporation>X</TypeOfOrganizationCorporation>
      <YearFormation>1968</YearFormation>
      <StateLegalDomicile>CA</StateLegalDomicile>
      <ActivityOrMissionDescription>THE EXPLORATORIUM'S PRIMARY PURPOSE IS TO ENGAGE IN EDUCATIONAL ACTIVITIES THAT FOSTER AND PROMOTE PUBLIC UNDERSTANDING OF SCIENCE, ART, TECHNOLOGY AND HUMAN PERCEPTION.</ActivityOrMissionDescription>
      <NbrVotingMembersGoverningBody>37</NbrVotingMembersGoverningBody>
      <NbrIndependentVotingMembers>36</NbrIndependentVotingMembers>
      <TotalNbrEmployees>643</TotalNbrEmployees>
      <TotalNbrVolunteers>508</TotalNbrVolunteers>
      <TotalGrossUBI>0</TotalGrossUBI>
      <ContributionsGrantsPriorYear>27171284</ContributionsGrantsPriorYear>
      <ContributionsGrantsCurrentYear>51575878</ContributionsGrantsCurrentYear>
      <ProgramServiceRevenuePriorYear>8341418</ProgramServiceRevenuePriorYear>
      <ProgramServiceRevenueCY>10724570</ProgramServiceRevenueCY>
      <InvestmentIncomePriorYear>514602</InvestmentIncomePriorYear>
      <InvestmentIncomeCurrentYear>1304913</InvestmentIncomeCurrentYear>
      <OtherRevenuePriorYear>1825987</OtherRevenuePriorYear>
      <OtherRevenueCurrentYear>1537782</OtherRevenueCurrentYear>
      <TotalRevenuePriorYear>37853291</TotalRevenuePriorYear>
      <TotalRevenueCurrentYear>65143143</TotalRevenueCurrentYear>
      <GrantsAndSimilarAmntsPriorYear>18800</GrantsAndSimilarAmntsPriorYear>
      <GrantsAndSimilarAmntsCY>15000</GrantsAndSimilarAmntsCY>
      <BenefitsPaidToMembersPriorYear>0</BenefitsPaidToMembersPriorYear>
      <BenefitsPaidToMembersCY>0</BenefitsPaidToMembersCY>
      <SalariesEtcPriorYear>26265747</SalariesEtcPriorYear>
      <SalariesEtcCurrentYear>29561500</SalariesEtcCurrentYear>
      <TotalProfFundrsngExpPriorYear>202539</TotalProfFundrsngExpPriorYear>
      <TotalProfFundrsngExpCY>200000</TotalProfFundrsngExpCY>
      <TotalFundrsngExpCurrentYear>4564152</TotalFundrsngExpCurrentYear>
      <OtherExpensePriorYear>13072727</OtherExpensePriorYear>
      <OtherExpensesCurrentYear>21942686</OtherExpensesCurrentYear>
      <TotalExpensesPriorYear>39559813</TotalExpensesPriorYear>
      <TotalExpensesCurrentYear>51719186</TotalExpensesCurrentYear>
      <RevenuesLessExpensesPriorYear>-1706522</RevenuesLessExpensesPriorYear>
      <RevenuesLessExpensesCY>13423957</RevenuesLessExpensesCY>
      <TotalAssetsBOY>231227583</TotalAssetsBOY>
      <TotalAssetsEOY>237916900</TotalAssetsEOY>
      <TotalLiabilitiesBOY>93043773</TotalLiabilitiesBOY>
      <TotalLiabilitiesEOY>85867850</TotalLiabilitiesEOY>
      <NetAssetsOrFundBalancesBOY>138183810</NetAssetsOrFundBalancesBOY>
      <NetAssetsOrFundBalancesEOY>152049050</NetAssetsOrFundBalancesEOY>
      <InfoInScheduleOPartIII>X</InfoInScheduleOPartIII>
      <MissionDescription>SEE SCHEDULE O</MissionDescription>
      <SignificantNewProgramServices>false</SignificantNewProgramServices>
      <SignificantChange>false</SignificantChange>
      <Expense>26455701</Expense>
      <Grants>15000</Grants>
      <Description>SEE SCHEDULE O</Description>
      <Activity2>
        <Expense>6369331</Expense>
        <Revenue>2370242</Revenue>
        <Description>BUSINESS DEVELOPMENT AND EXHIBIT SERVICES: CREATES AND DISSEMINATES INTERACTIVE EXHIBITS LOCALLY, NATIONALLY AND INTERNATIONALLY TO MAKE SCIENCE, NATURE AND THE WAY PEOPLE PERCEIVE THEIR PHYSICAL WORLD MORE UNDERSTANDABLE.</Description>
      </Activity2>
      <Activity3>
        <Expense>3654603</Expense>
        <Revenue>9086948</Revenue>
        <Description>ADMISSIONS, STORE AND OTHER EXPENSES</Description>
      </Activity3>
      <TotalProgramServiceExpense>36479635</TotalProgramServiceExpense>
      <DescribedIn501C3 referenceDocumentId="IRS990ScheduleA">true</DescribedIn501C3>
      <ScheduleBRequired referenceDocumentId="IRS990ScheduleB">true</ScheduleBRequired>
      <PoliticalActivities referenceDocumentId="IRS990ScheduleC">false</PoliticalActivities>
      <LobbyingActivities referenceDocumentId="IRS990ScheduleC">true</LobbyingActivities>
      <SubjectToProxyTax referenceDocumentId="IRS990ScheduleC">false</SubjectToProxyTax>
      <DonorAdvisedFunds referenceDocumentId="IRS990ScheduleD">false</DonorAdvisedFunds>
      <ConservationEasements referenceDocumentId="IRS990ScheduleD">false</ConservationEasements>
      <CollectionsOfArt referenceDocumentId="IRS990ScheduleD">false</CollectionsOfArt>
      <CreditCounseling referenceDocumentId="IRS990ScheduleD">false</CreditCounseling>
      <TermOrPermanentEndowments referenceDocumentId="IRS990ScheduleD">true</TermOrPermanentEndowments>
      <ReportLandBldgEquip referenceDocumentId="IRS990ScheduleD">true</ReportLandBldgEquip>
      <ReportInvestOthSecurities referenceDocumentId="IRS990ScheduleD">false</ReportInvestOthSecurities>
      <ReportProgRelInvest referenceDocumentId="IRS990ScheduleD">true</ReportProgRelInvest>
      <ReportOtherAssets referenceDocumentId="IRS990ScheduleD">false</ReportOtherAssets>
      <ReportOtherLiabilities referenceDocumentId="IRS990ScheduleD">false</ReportOtherLiabilities>
      <ReportFin48Footnote referenceDocumentId="IRS990ScheduleD">true</ReportFin48Footnote>
      <IndependentAuditFinancialStmt referenceDocumentId="IRS990ScheduleD">false</IndependentAuditFinancialStmt>
      <ConsolidatedAuditFinancialStmt referenceDocumentId="IRS990ScheduleD">true</ConsolidatedAuditFinancialStmt>
      <School>false</School>
      <ForeignOffice>false</ForeignOffice>
      <ForeignActivities referenceDocumentId="IRS990ScheduleF">true</ForeignActivities>
      <MoreThan5000KToOrganizations referenceDocumentId="IRS990ScheduleF">false</MoreThan5000KToOrganizations>
      <MoreThan5000KToIndividuals referenceDocumentId="IRS990ScheduleF">true</MoreThan5000KToIndividuals>
      <ProfessionalFundraising referenceDocumentId="IRS990ScheduleG">true</ProfessionalFundraising>
      <FundraisingActivities referenceDocumentId="IRS990ScheduleG">true</FundraisingActivities>
      <Gaming referenceDocumentId="IRS990ScheduleG">false</Gaming>
      <Hospital>false</Hospital>
      <GrantsToOrganizations referenceDocumentId="IRS990ScheduleI">false</GrantsToOrganizations>
      <GrantsToIndividuals referenceDocumentId="IRS990ScheduleI">true</GrantsToIndividuals>
      <ScheduleJRequired referenceDocumentId="IRS990ScheduleJ">true</ScheduleJRequired>
      <TaxExemptBonds>false</TaxExemptBonds>
      <ExcessBenefitTransaction referenceDocumentId="IRS990ScheduleL">false</ExcessBenefitTransaction>
      <PriorExcessBenefitTransaction referenceDocumentId="IRS990ScheduleL">false</PriorExcessBenefitTransaction>
      <LoanToOfficerOrDQP referenceDocumentId="IRS990ScheduleL">false</LoanToOfficerOrDQP>
      <GrantToRelatedPerson referenceDocumentId="IRS990ScheduleL">false</GrantToRelatedPerson>
      <BsnssRltnshpWithOrganization referenceDocumentId="IRS990ScheduleL">false</BsnssRltnshpWithOrganization>
      <BsnssRltnshpThruFamilyMember referenceDocumentId="IRS990ScheduleL">false</BsnssRltnshpThruFamilyMember>
      <OfficerEntityWithBsnssRltnshp referenceDocumentId="IRS990ScheduleL">true</OfficerEntityWithBsnssRltnshp>
      <DeductibleNonCashContributions referenceDocumentId="IRS990ScheduleM">true</DeductibleNonCashContributions>
      <DeductibleContributionsOfArt referenceDocumentId="IRS990ScheduleM">false</DeductibleContributionsOfArt>
      <Terminated>false</Terminated>
      <PartialLiquidation>false</PartialLiquidation>
      <DisregardedEntity referenceDocumentId="IRS990ScheduleR">false</DisregardedEntity>
      <RelatedEntity referenceDocumentId="IRS990ScheduleR">true</RelatedEntity>
      <RelatedOrgControlledEntity>true</RelatedOrgControlledEntity>
      <TransactionRelatedEntity referenceDocumentId="IRS990ScheduleR">true</TransactionRelatedEntity>
      <TransfersToExemptNonChrtblOrg referenceDocumentId="IRS990ScheduleR">false</TransfersToExemptNonChrtblOrg>
      <ActivitiesConductedPartnership referenceDocumentId="IRS990ScheduleR">false</ActivitiesConductedPartnership>
      <ScheduleORequired>true</ScheduleORequired>
      <NumberFormsTransmittedWith1096>324</NumberFormsTransmittedWith1096>
      <NumberW2GIncluded>0</NumberW2GIncluded>
      <ComplianceWithBackupWitholding>true</ComplianceWithBackupWitholding>
      <NumberOfEmployees>643</NumberOfEmployees>
      <EmploymentTaxReturnsFiled>true</EmploymentTaxReturnsFiled>
      <UnrelatedBusinessIncome>false</UnrelatedBusinessIncome>
      <ForeignFinancialAccount>false</ForeignFinancialAccount>
      <ProhibitedTaxShelterTrans>false</ProhibitedTaxShelterTrans>
      <TaxablePartyNotification>false</TaxablePartyNotification>
      <NonDeductibleContributions>false</NonDeductibleContributions>
      <QuidProQuoContributions>true</QuidProQuoContributions>
      <QuidProQuoDisclosure>true</QuidProQuoDisclosure>
      <Form8282PropertyDisposedOf>false</Form8282PropertyDisposedOf>
      <FundsToPayPremiums>false</FundsToPayPremiums>
      <PremiumsPaid>false</PremiumsPaid>
      <IndoorTanningServices>false</IndoorTanningServices>
      <InfoInScheduleOPartVI>X</InfoInScheduleOPartVI>
      <NbrVotingGoverningBodyMembers>37</NbrVotingGoverningBodyMembers>
      <NumberIndependentVotingMembers>36</NumberIndependentVotingMembers>
      <FamilyOrBusinessRelationship>false</FamilyOrBusinessRelationship>
      <DelegationOfManagementDuties>false</DelegationOfManagementDuties>
      <ChangesToOrganizingDocs>false</ChangesToOrganizingDocs>
      <MaterialDiversionOrMisuse>false</MaterialDiversionOrMisuse>
      <MembersOrStockholders>false</MembersOrStockholders>
      <ElectionOfBoardMembers>false</ElectionOfBoardMembers>
      <DecisionsSubjectToApproval>false</DecisionsSubjectToApproval>
      <MinutesOfGoverningBody>true</MinutesOfGoverningBody>
      <MinutesOfCommittees>true</MinutesOfCommittees>
      <OfficerMailingAddress>false</OfficerMailingAddress>
      <LocalChapters>false</LocalChapters>
      <Form990ProvidedToGoverningBody>false</Form990ProvidedToGoverningBody>
      <ConflictOfInterestPolicy>true</ConflictOfInterestPolicy>
      <AnnualDisclosureCoveredPersons>true</AnnualDisclosureCoveredPersons>
      <RegularMonitoringEnforcement>true</RegularMonitoringEnforcement>
      <WhistleblowerPolicy>true</WhistleblowerPolicy>
      <DocumentRetentionPolicy>true</DocumentRetentionPolicy>
      <CompensationProcessCEO>true</CompensationProcessCEO>
      <CompensationProcessOther>true</CompensationProcessOther>
      <InvestmentInJointVenture>true</InvestmentInJointVenture>
      <WrittenPolicyOrProcedure>true</WrittenPolicyOrProcedure>
      <StatesWhereCopyOfReturnIsFiled>CA</StatesWhereCopyOfReturnIsFiled>
      <UponRequest>X</UponRequest>
      <TheBooksAreInCareOf>
        <NamePerson>EXPLORATORIUM</NamePerson>
        <TelephoneNumber>4155637337</TelephoneNumber>
        <AddressUS>
          <AddressLine1>PIERS 15/17</AddressLine1>
          <City>San Francisco</City>
          <State>CA</State>
          <ZIPCode>94111</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
      <InfoInScheduleOPartVII>X</InfoInScheduleOPartVII>
      <Form990PartVIISectionA>
        <NamePerson>DENNIS BARTELS</NamePerson>
        <Title>Executive Director</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>316361</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>37725</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>GARY BENGIER</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>E PAYSON SMITH JR</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>RAVIN AGRAWAL</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>H MARCIA SMOLENS</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>RICHARD LAIDERMAN</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JAY S WELKER</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>BARBARA A CARBONE</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>DIVESH MAKAN</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>AKSHATA N MURTY</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>LYNN C FRITZ</NamePerson>
        <Title>treasurer</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>VINCENT L RICCI</NamePerson>
        <Title>secretary</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>GEORGE W COGAN</NamePerson>
        <Title>chairman</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JUDE P LASPA</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>SCOTT HINDES</NamePerson>
        <Title>dorector</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>KENNETH G MOORE</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>SHONA L BROWN</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>TOM DEFILIPPS</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ALPHONSE FLETCHER JR</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JEFF HUBER</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MICHAEL R JACOBSON</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>CHRIS LARSEN</NamePerson>
        <Title>director - CYPT</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JENNIFER CALDWELL</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JACK DORSEY</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>GREGORY R FLYNN</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Nat Simons</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>R SANDER WILLIAMS MD</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>DAN YUE</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Cameron Phleger</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>SANDRA L OTELLINI</NamePerson>
        <Title>VICE CHAIR</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>WILLIAM S FISHER</NamePerson>
        <Title>VICE CHAIR</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MICKEY HART</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>REID HOFFMAN</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MICHELLE YEE</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Anthony F Earley Jr</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>William F Mellin</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>craig silverstein</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>stan wojcicki</NamePerson>
        <Title>director</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ELIZABETH ASIP EVANS</NamePerson>
        <Title>DIRECTOR - CYPT</Title>
        <AverageHoursPerWeek>2.0</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>LAURA ZANDER</NamePerson>
        <Title>Chief Operating Officer</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>200087</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>31787</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ROBERT SEMPER</NamePerson>
        <Title>Director of Programs</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <KeyEmployee>X</KeyEmployee>
        <ReportableCompFromOrganization>221621</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>21207</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ANN DABOVICH</NamePerson>
        <Title>Director for Inst Advancement</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <KeyEmployee>X</KeyEmployee>
        <ReportableCompFromOrganization>213063</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>48570</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>SILVA RAKER</NamePerson>
        <Title>Dir of Business Development</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <KeyEmployee>X</KeyEmployee>
        <ReportableCompFromOrganization>177918</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>48399</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>THOMAS ROCKWELL</NamePerson>
        <Title>Dir Exhibits &amp; Media Studios</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <KeyEmployee>X</KeyEmployee>
        <ReportableCompFromOrganization>174752</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>36326</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>BRONWYN BEVAN</NamePerson>
        <Title>Dir of Research &amp; Learn'g Inst</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <KeyEmployee>X</KeyEmployee>
        <ReportableCompFromOrganization>172238</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>31075</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>KRISTINA H WOOLSEY</NamePerson>
        <Title>Director of Capital Project</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <HighestCompensatedEmployee>X</HighestCompensatedEmployee>
        <ReportableCompFromOrganization>187975</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>38182</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ROWENA DOUGLAS</NamePerson>
        <Title>Director K-12</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <HighestCompensatedEmployee>X</HighestCompensatedEmployee>
        <ReportableCompFromOrganization>133474</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>18755</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>LOUISE GREGORY</NamePerson>
        <Title>Director of Planned Giving</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <HighestCompensatedEmployee>X</HighestCompensatedEmployee>
        <ReportableCompFromOrganization>134505</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>6758</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>NANCY SACKSON</NamePerson>
        <Title>Director of Development</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <HighestCompensatedEmployee>X</HighestCompensatedEmployee>
        <ReportableCompFromOrganization>136001</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>30455</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ADAM TOBIN</NamePerson>
        <Title>Director of Exhibit Dev</Title>
        <AverageHoursPerWeek>37.5</AverageHoursPerWeek>
        <AverageHoursPerWeekRelated>0.0</AverageHoursPerWeekRelated>
        <HighestCompensatedEmployee>X</HighestCompensatedEmployee>
        <ReportableCompFromOrganization>123163</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>18240</OtherCompensation>
      </Form990PartVIISectionA>
      <TotalReportableCompFromOrg>2191158</TotalReportableCompFromOrg>
      <TotalReportableCompFrmRltdOrgs>0</TotalReportableCompFrmRltdOrgs>
      <TotalOtherCompensation>367479</TotalOtherCompensation>
      <NumberIndividualsGT100K>26</NumberIndividualsGT100K>
      <FormersListed>false</FormersListed>
      <TotalCompGT150K>true</TotalCompGT150K>
      <CompensationFromOtherSources>false</CompensationFromOtherSources>
      <ContractorCompensation>
        <NameOfContractor>
          <NamePerson>Lenat Partners Inc</NamePerson>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1633 Bayshore Hwy suite 220</AddressLine1>
            <City>BURLINGAME</City>
            <State>CA</State>
            <ZIPCode>94010</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Marketing Consultant</DescriptionOfServices>
        <Compensation>695653</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NamePerson>California Host Inc</NamePerson>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>505 Sansome St 1020</AddressLine1>
            <City>SAN FRANCISCO</City>
            <State>CA</State>
            <ZIPCode>94111</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Event Planning</DescriptionOfServices>
        <Compensation>694118</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NamePerson>Rudolph Commercial Interiors Inc</NamePerson>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1125 67th Street</AddressLine1>
            <City>OAKLAND</City>
            <State>CA</State>
            <ZIPCode>94608</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Contractors</DescriptionOfServices>
        <Compensation>471598</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NamePerson>The Pacassa Group</NamePerson>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1793 12th Street</AddressLine1>
            <City>OAKLAND</City>
            <State>CA</State>
            <ZIPCode>94607</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Contractors</DescriptionOfServices>
        <Compensation>451250</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NamePerson>Landor Associates</NamePerson>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>15889 Collectins Center Drive</AddressLine1>
            <City>CHICAGO</City>
            <State>IL</State>
            <ZIPCode>606930158</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Consultant</DescriptionOfServices>
        <Compensation>450764</Compensation>
      </ContractorCompensation>
      <NumberOfContractorsGT100K>29</NumberOfContractorsGT100K>
      <FundraisingEvents>1792714</FundraisingEvents>
      <GovernmentGrants>2814911</GovernmentGrants>
      <AllOtherContributions>46968253</AllOtherContributions>
      <NoncashContributions>3881563</NoncashContributions>
      <TotalContributions>51575878</TotalContributions>
      <ProgramServiceRevenue>
        <Description>ADMISSIONS</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>6108736</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>6108736</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>EXHIBIT SERVICES</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>2258435</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>2258435</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>FIELD TRIPS</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>111807</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>111807</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>MEMBERSHIPS</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>839785</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>839785</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>SPONSORSHIPS</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>548800</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>548800</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <TotalOthProgramServiceRevenue>
        <TotalRevenueColumn>857007</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>857007</RelatedOrExemptFunctionIncome>
      </TotalOthProgramServiceRevenue>
      <TotalProgramServiceRevenue>10724570</TotalProgramServiceRevenue>
      <InvestmentIncome>
        <TotalRevenueColumn>251021</TotalRevenueColumn>
        <ExclusionAmount>251021</ExclusionAmount>
      </InvestmentIncome>
      <IncomeFromInvestBondProceeds>
        <TotalRevenueColumn>0</TotalRevenueColumn>
      </IncomeFromInvestBondProceeds>
      <RoyaltiesRevenue>
        <TotalRevenueColumn>3415</TotalRevenueColumn>
        <ExclusionAmount>3415</ExclusionAmount>
      </RoyaltiesRevenue>
      <GrossRents>
        <Real>1347875</Real>
      </GrossRents>
      <LessRentalExpenses>
        <Real>448431</Real>
      </LessRentalExpenses>
      <RentalIncomeOrLoss>
        <Real>899444</Real>
        <Personal>0</Personal>
      </RentalIncomeOrLoss>
      <NetRentalIncomeOrLoss>
        <TotalRevenueColumn>899444</TotalRevenueColumn>
        <ExclusionAmount>899444</ExclusionAmount>
      </NetRentalIncomeOrLoss>
      <GrossAmountSalesAssets>
        <Securities>21812474</Securities>
      </GrossAmountSalesAssets>
      <LessCostOthBasisSalesExpenses>
        <Securities>20758582</Securities>
      </LessCostOthBasisSalesExpenses>
      <GainOrLoss>
        <Securities>1053892</Securities>
      </GainOrLoss>
      <NetGainOrLossInvestments>
        <TotalRevenueColumn>1053892</TotalRevenueColumn>
        <ExclusionAmount>1053892</ExclusionAmount>
      </NetGainOrLossInvestments>
      <GrossIncomeFundraisingEvents>120235</GrossIncomeFundraisingEvents>
      <CntrbtnsRprtdFundraisingEvents>1792714</CntrbtnsRprtdFundraisingEvents>
      <FundraisingDirectExpenses>217932</FundraisingDirectExpenses>
      <NetIncomeFromFundraisingEvents>
        <TotalRevenueColumn>-97697</TotalRevenueColumn>
        <ExclusionAmount>-97697</ExclusionAmount>
      </NetIncomeFromFundraisingEvents>
      <NetIncomeFromGaming>
        <TotalRevenueColumn>0</TotalRevenueColumn>
      </NetIncomeFromGaming>
      <GrossSalesOfInventory>1204534</GrossSalesOfInventory>
      <CostOfGoodsSold>613429</CostOfGoodsSold>
      <NetIncomeOrLoss>
        <TotalRevenueColumn>591105</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>591105</RelatedOrExemptFunctionIncome>
      </NetIncomeOrLoss>
      <OtherRevenueMisc>
        <Description>CONCESSIONS</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>95064</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>95064</RelatedOrExemptFunctionIncome>
      </OtherRevenueMisc>
      <OtherRevenueMisc>
        <Description>CATERING</Description>
        <BusinessCode>722320</BusinessCode>
        <TotalRevenueColumn>46451</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>46451</RelatedOrExemptFunctionIncome>
      </OtherRevenueMisc>
      <TotalOtherRevenue>141515</TotalOtherRevenue>
      <TotalRevenue>
        <TotalRevenueColumn>65143143</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>11457190</RelatedOrExemptFunctionIncome>
        <ExclusionAmount>2110075</ExclusionAmount>
      </TotalRevenue>
      <GrantsToDomesticOrgs>
        <Total>0</Total>
      </GrantsToDomesticOrgs>
      <GrantsToDomesticIndividuals>
        <Total>13000</Total>
        <ProgramServices>13000</ProgramServices>
      </GrantsToDomesticIndividuals>
      <ForeignGrants>
        <Total>2000</Total>
        <ProgramServices>2000</ProgramServices>
      </ForeignGrants>
      <BenefitsToMembers>
        <Total>0</Total>
      </BenefitsToMembers>
      <CompCurrentOfficersDirectors>
        <Total>1837168</Total>
        <ProgramServices>736029</ProgramServices>
        <ManagementAndGeneral>910076</ManagementAndGeneral>
        <Fundraising>191063</Fundraising>
      </CompCurrentOfficersDirectors>
      <CompDisqualPersons>
        <Total>0</Total>
      </CompDisqualPersons>
      <OtherSalariesAndWages>
        <Total>19088365</Total>
        <ProgramServices>15002336</ProgramServices>
        <ManagementAndGeneral>2694746</ManagementAndGeneral>
        <Fundraising>1391283</Fundraising>
      </OtherSalariesAndWages>
      <PensionPlanContributions>
        <Total>1006291</Total>
        <ProgramServices>694341</ProgramServices>
        <ManagementAndGeneral>241510</ManagementAndGeneral>
        <Fundraising>70440</Fundraising>
      </PensionPlanContributions>
      <OtherEmployeeBenefits>
        <Total>5690746</Total>
        <ProgramServices>4305564</ProgramServices>
        <ManagementAndGeneral>938313</ManagementAndGeneral>
        <Fundraising>446869</Fundraising>
      </OtherEmployeeBenefits>
      <PayrollTaxes>
        <Total>1938930</Total>
        <ProgramServices>1337862</ProgramServices>
        <ManagementAndGeneral>465343</ManagementAndGeneral>
        <Fundraising>135725</Fundraising>
      </PayrollTaxes>
      <FeesForServicesManagement>
        <Total>0</Total>
      </FeesForServicesManagement>
      <FeesForServicesLegal>
        <Total>0</Total>
      </FeesForServicesLegal>
      <FeesForServicesAccounting>
        <Total>0</Total>
      </FeesForServicesAccounting>
      <FeesForServicesLobbying>
        <Total>60000</Total>
        <Fundraising>60000</Fundraising>
      </FeesForServicesLobbying>
      <FeesForServicesProfFundraising>
        <Total>200000</Total>
        <Fundraising>200000</Fundraising>
      </FeesForServicesProfFundraising>
      <FeesForServicesInvstMgmntFees>
        <Total>69229</Total>
        <ManagementAndGeneral>69229</ManagementAndGeneral>
      </FeesForServicesInvstMgmntFees>
      <FeesForServicesOther>
        <Total>3381341</Total>
        <ProgramServices>2214343</ProgramServices>
        <ManagementAndGeneral>452824</ManagementAndGeneral>
        <Fundraising>714174</Fundraising>
      </FeesForServicesOther>
      <Advertising>
        <Total>1509073</Total>
        <ProgramServices>200595</ProgramServices>
        <ManagementAndGeneral>726339</ManagementAndGeneral>
        <Fundraising>582139</Fundraising>
      </Advertising>
      <OfficeExpenses>
        <Total>4154743</Total>
        <ProgramServices>2388494</ProgramServices>
        <ManagementAndGeneral>1274824</ManagementAndGeneral>
        <Fundraising>491425</Fundraising>
      </OfficeExpenses>
      <InformationTechnology>
        <Total>0</Total>
      </InformationTechnology>
      <Royalties>
        <Total>0</Total>
      </Royalties>
      <Occupancy>
        <Total>3516129</Total>
        <ProgramServices>3299406</ProgramServices>
        <ManagementAndGeneral>215209</ManagementAndGeneral>
        <Fundraising>1514</Fundraising>
      </Occupancy>
      <Travel>
        <Total>775608</Total>
        <ProgramServices>618545</ProgramServices>
        <ManagementAndGeneral>130095</ManagementAndGeneral>
        <Fundraising>26968</Fundraising>
      </Travel>
      <TravelEntrtnmntPublicOfficials>
        <Total>0</Total>
      </TravelEntrtnmntPublicOfficials>
      <ConferencesMeetings>
        <Total>230708</Total>
        <ProgramServices>166672</ProgramServices>
        <ManagementAndGeneral>25410</ManagementAndGeneral>
        <Fundraising>38626</Fundraising>
      </ConferencesMeetings>
      <Interest>
        <Total>0</Total>
      </Interest>
      <PaymentsToAffiliates>
        <Total>0</Total>
      </PaymentsToAffiliates>
      <DepreciationDepletion>
        <Total>3567290</Total>
        <ProgramServices>3328978</ProgramServices>
        <ManagementAndGeneral>238037</ManagementAndGeneral>
        <Fundraising>275</Fundraising>
      </DepreciationDepletion>
      <Insurance>
        <Total>249312</Total>
        <ManagementAndGeneral>249312</ManagementAndGeneral>
      </Insurance>
      <OtherExpenses>
        <Description>OPERATING EXPENSES</Description>
        <Total>2966256</Total>
        <ProgramServices>1482766</ProgramServices>
        <ManagementAndGeneral>1358401</ManagementAndGeneral>
        <Fundraising>125089</Fundraising>
      </OtherExpenses>
      <OtherExpenses>
        <Description>GIFT IN KIND</Description>
        <Total>717251</Total>
        <ProgramServices>96053</ProgramServices>
        <ManagementAndGeneral>617838</ManagementAndGeneral>
        <Fundraising>3360</Fundraising>
      </OtherExpenses>
      <OtherExpenses>
        <Description>PRINTING AND POSTAGE</Description>
        <Total>413880</Total>
        <ProgramServices>328168</ProgramServices>
        <ManagementAndGeneral>25346</ManagementAndGeneral>
        <Fundraising>60366</Fundraising>
      </OtherExpenses>
      <OtherExpenses>
        <Description>STIPENDS</Description>
        <Total>198002</Total>
        <ProgramServices>198002</ProgramServices>
      </OtherExpenses>
      <AllOtherExpenses>
        <Total>133864</Total>
        <ProgramServices>66481</ProgramServices>
        <ManagementAndGeneral>42547</ManagementAndGeneral>
        <Fundraising>24836</Fundraising>
      </AllOtherExpenses>
      <TotalFunctionalExpenses>
        <Total>51719186</Total>
        <ProgramServices>36479635</ProgramServices>
        <ManagementAndGeneral>10675399</ManagementAndGeneral>
        <Fundraising>4564152</Fundraising>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <BOY>7478362</BOY>
        <EOY>4884173</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </SavingsAndTempCashInvestments>
      <PledgesAndGrantsReceivable>
        <BOY>28914541</BOY>
        <EOY>30468035</EOY>
      </PledgesAndGrantsReceivable>
      <AccountsReceivable>
        <BOY>1085102</BOY>
        <EOY>1501258</EOY>
      </AccountsReceivable>
      <ReceivablesFromOfficersEtc>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </ReceivablesFromOfficersEtc>
      <ReceivablesFromDisqualPersons>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </ReceivablesFromDisqualPersons>
      <OtherNotesLoansReceivableNet>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </OtherNotesLoansReceivableNet>
      <InventoriesForSaleOrUse>
        <BOY>622996</BOY>
        <EOY>1042009</EOY>
      </InventoriesForSaleOrUse>
      <PrepaidExpensesDeferredCharges>
        <BOY>10113895</BOY>
        <EOY>8931549</EOY>
      </PrepaidExpensesDeferredCharges>
      <LandBuildingsEquipmentBasis>29753011</LandBuildingsEquipmentBasis>
      <LandBldgEquipmentAccumDeprec>8572745</LandBldgEquipmentAccumDeprec>
      <LandBuildingsEquipmentBasisNet>
        <BOY>7121713</BOY>
        <EOY>21180266</EOY>
      </LandBuildingsEquipmentBasisNet>
      <InvestmentsPubTradedSecurities>
        <BOY>21261960</BOY>
        <EOY>25140615</EOY>
      </InvestmentsPubTradedSecurities>
      <InvestmentsOtherSecurities>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </InvestmentsOtherSecurities>
      <InvestmentsProgramRelated>
        <BOY>154629014</BOY>
        <EOY>144768995</EOY>
      </InvestmentsProgramRelated>
      <IntangibleAssets>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </IntangibleAssets>
      <OtherAssetsTotal>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </OtherAssetsTotal>
      <TotalAssets>
        <BOY>231227583</BOY>
        <EOY>237916900</EOY>
      </TotalAssets>
      <AccountsPayableAccruedExpenses>
        <BOY>24395473</BOY>
        <EOY>20697551</EOY>
      </AccountsPayableAccruedExpenses>
      <GrantsPayable>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </GrantsPayable>
      <DeferredRevenue>
        <BOY>622365</BOY>
        <EOY>3025120</EOY>
      </DeferredRevenue>
      <TaxExemptBondLiabilities>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </TaxExemptBondLiabilities>
      <EscrowAccountLiability>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </EscrowAccountLiability>
      <LoansFromOfficersDirectors>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </LoansFromOfficersDirectors>
      <MortNotesPyblSecuredInvestProp>
        <BOY>65025935</BOY>
        <EOY>62145179</EOY>
      </MortNotesPyblSecuredInvestProp>
      <UnsecuredNotesLoansPayable>
        <BOY>3000000</BOY>
        <EOY>0</EOY>
      </UnsecuredNotesLoansPayable>
      <OtherLiabilities>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </OtherLiabilities>
      <TotalLiabilities>
        <BOY>93043773</BOY>
        <EOY>85867850</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>20144730</BOY>
        <EOY>123567206</EOY>
      </UnrestrictedNetAssets>
      <TemporarilyRestrictedNetAssets>
        <BOY>102482685</BOY>
        <EOY>6825449</EOY>
      </TemporarilyRestrictedNetAssets>
      <PermanentlyRestrictedNetAssets>
        <BOY>15556395</BOY>
        <EOY>21656395</EOY>
      </PermanentlyRestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>138183810</BOY>
        <EOY>152049050</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>231227583</BOY>
        <EOY>237916900</EOY>
      </TotalLiabNetAssetsFundBalances>
      <InfoInScheduleOPartXI>X</InfoInScheduleOPartXI>
      <ReconcilationRevenueExpenses>13423957</ReconcilationRevenueExpenses>
      <ReconciliationUnrealizedInvest>441283</ReconciliationUnrealizedInvest>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>true</FSAudited>
      <FSAuditedBasis>
        <FinancialStatementConsolidated>X</FinancialStatementConsolidated>
      </FSAuditedBasis>
      <AuditCommittee>true</AuditCommittee>
      <FederalGrantAuditRequired>true</FederalGrantAuditRequired>
      <FederalGrantAuditPerformed>true</FederalGrantAuditPerformed>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA">
      <PubliclySupportedOrg170b1Avi>X</PubliclySupportedOrg170b1Avi>
      <ContribByControllingIndividual>false</ContribByControllingIndividual>
      <ContributionByRelatedParty>false</ContributionByRelatedParty>
      <ContribBy35ControlledEntity>false</ContribBy35ControlledEntity>
      <GiftsGrantsContribReceived170>
        <CurrentTaxYearMinus4Years>19266218</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>44193731</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>44729382</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>27171284</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>51575878</CurrentTaxYear>
        <Total>186936493</Total>
      </GiftsGrantsContribReceived170>
      <TaxRevLeviedForOrgBenefit170>
        <Total>0</Total>
      </TaxRevLeviedForOrgBenefit170>
      <ValueSrvcFcltsFurnishedByGovt>
        <Total>0</Total>
      </ValueSrvcFcltsFurnishedByGovt>
      <Total170>
        <CurrentTaxYearMinus4Years>19266218</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>44193731</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>44729382</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>27171284</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>51575878</CurrentTaxYear>
        <Total>186936493</Total>
      </Total170>
      <AmountsSubstContributorsTotal>54645671</AmountsSubstContributorsTotal>
      <PublicSupportTotal170>132290822</PublicSupportTotal170>
      <GrossInvestmentIncome170>
        <CurrentTaxYearMinus4Years>1265315</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>798185</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>1110843</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>1440480</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>1602311</CurrentTaxYear>
        <Total>6217134</Total>
      </GrossInvestmentIncome170>
      <NetUBI>
        <Total>0</Total>
      </NetUBI>
      <OtherIncome170>
        <Total>0</Total>
      </OtherIncome170>
      <TotalSupport>193153627</TotalSupport>
      <GrossReceiptsFromAdmissionsEtc>50603198</GrossReceiptsFromAdmissionsEtc>
      <PublicSupportPertcentage170>0.68490</PublicSupportPertcentage170>
      <PublicSupportPertcentPriorYear>0.47062</PublicSupportPertcentPriorYear>
      <ThirtyThreePercntTestsCY170>X</ThirtyThreePercntTestsCY170>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="IRS990ScheduleC">
      <TotalGrassrootsLobbying />
      <TotalDirectLobbying />
      <TotalLobbyingExpenditures />
      <OtherExemptPurposeExpenditures />
      <TotalExemptPurposeExpenditures />
      <LobbyingNontaxableAmount />
      <GrassrootsNontaxableAmount />
      <TotLobbyingGrassrootMinusNonTx />
      <TotLobbyExpendMnsLobbyingNontx />
      <Volunteers>false</Volunteers>
      <PaidStaffOrManagement>true</PaidStaffOrManagement>
      <MediaAdvertisements>false</MediaAdvertisements>
      <MailingsMembers>false</MailingsMembers>
      <PublicationsOrBroadcast>false</PublicationsOrBroadcast>
      <GrantsOtherOrganizations>false</GrantsOtherOrganizations>
      <DirectContactLegislators>true</DirectContactLegislators>
      <DirectContactLegislatorsAmount>60000</DirectContactLegislatorsAmount>
      <RalliesDemonstrations>false</RalliesDemonstrations>
      <OtherActivities>false</OtherActivities>
      <TotalLobbyingExpendituresIIB>60000</TotalLobbyingExpendituresIIB>
      <NotDescribedIn501c3>false</NotDescribedIn501c3>
      <Form990ScheduleCPartIV>
        <Identifier>Sch C Part II A Line 1b</Identifier>
        <Explanation>The Exploratorium, with our lobbyists, have pursued landmark language in the Elementary and Secondary Education Act to open to nonprofit organizations, such as informal science education centers and museums, increased access to the resources available for the professional development of science teachers and promoting the enhancement of educational activities such as after school programs for science centers. At the state level, we are seeking a role in partnering with the State in the implementation of the new Common Core Standards and the Next Generation Science Standards.</Explanation>
      </Form990ScheduleCPartIV>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
      <ArtPublicExhibitionAmts />
      <HeldWorksOfArtAmts />
      <CurrentYear>
        <BeginningOfYearBalance>15774787</BeginningOfYearBalance>
        <Contributions>6100000</Contributions>
        <InvestmentEarningsOrLosses>1512677</InvestmentEarningsOrLosses>
        <OtherExpenditures>806622</OtherExpenditures>
        <EndOfYearBalance>22580842</EndOfYearBalance>
      </CurrentYear>
      <CurrentYearMinus1Year>
        <BeginningOfYearBalance>16471941</BeginningOfYearBalance>
        <InvestmentEarningsOrLosses>-237154</InvestmentEarningsOrLosses>
        <OtherExpenditures>460000</OtherExpenditures>
        <EndOfYearBalance>15774787</EndOfYearBalance>
      </CurrentYearMinus1Year>
      <CurrentYearMinus2Years>
        <BeginningOfYearBalance>14027312</BeginningOfYearBalance>
        <InvestmentEarningsOrLosses>2565951</InvestmentEarningsOrLosses>
        <OtherExpenditures>60000</OtherExpenditures>
        <AdministrativeExpenses>61322</AdministrativeExpenses>
        <EndOfYearBalance>16471941</EndOfYearBalance>
      </CurrentYearMinus2Years>
      <CurrentYearMinus3Years>
        <BeginningOfYearBalance>12513188</BeginningOfYearBalance>
        <InvestmentEarningsOrLosses>1514124</InvestmentEarningsOrLosses>
        <EndOfYearBalance>14027312</EndOfYearBalance>
      </CurrentYearMinus3Years>
      <CurrentYearMinus4Years>
        <BeginningOfYearBalance>17399667</BeginningOfYearBalance>
        <InvestmentEarningsOrLosses>-3974549</InvestmentEarningsOrLosses>
        <OtherExpenditures>911930</OtherExpenditures>
        <EndOfYearBalance>12513188</EndOfYearBalance>
      </CurrentYearMinus4Years>
      <PermanentEndowmentEOYBalance>0.95906</PermanentEndowmentEOYBalance>
      <TermEndowmentEOYBalance>0.04094</TermEndowmentEOYBalance>
      <EndowmentsHeldByUnrelatedOrgs>false</EndowmentsHeldByUnrelatedOrgs>
      <EndowmentsHeldByRelatedOrgs>false</EndowmentsHeldByRelatedOrgs>
      <Land />
      <Buildings />
      <LeaseholdImprovements>
        <InvestmentCostOrOtherBasis>0</InvestmentCostOrOtherBasis>
        <Depreciation>0</Depreciation>
        <BookValue>0</BookValue>
      </LeaseholdImprovements>
      <Equipment>
        <InvestmentCostOrOtherBasis>0</InvestmentCostOrOtherBasis>
        <OtherCostOrOtherBasis>27717130</OtherCostOrOtherBasis>
        <Depreciation>8572745</Depreciation>
        <BookValue>19144385</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <InvestmentCostOrOtherBasis>0</InvestmentCostOrOtherBasis>
        <OtherCostOrOtherBasis>2035882</OtherCostOrOtherBasis>
        <BookValue>2035882</BookValue>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>21180267</TotalOfBookValueLandBuildings>
      <InvestmentsProgramRelated>
        <Description>INVESTMENT IN SUBSIDIARY</Description>
        <BookValue>144768995</BookValue>
        <MethodOfValuation>C</MethodOfValuation>
      </InvestmentsProgramRelated>
      <TotalOfBookValueProgramRelated>144768995</TotalOfBookValueProgramRelated>
      <FederalIncomeTaxLiability>0</FederalIncomeTaxLiability>
      <TotalOfAmounts>0</TotalOfAmounts>
      <FootnoteInPartXIII>X</FootnoteInPartXIII>
      <TotRevenueEtcAuditedFinclStmt>66989626</TotRevenueEtcAuditedFinclStmt>
      <NetUnrealizedGainsInvestments>441283</NetUnrealizedGainsInvestments>
      <DonatedSrvcAndUseOfFacilities>194637</DonatedSrvcAndUseOfFacilities>
      <OtherRevenues>1279792</OtherRevenues>
      <RevenueNotRptdF990>1915712</RevenueNotRptdF990>
      <RevenueSubtotal>65073914</RevenueSubtotal>
      <InvestmentExpensesNotIncluded>69229</InvestmentExpensesNotIncluded>
      <RevenueNotRptdOnFinStmt>69229</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>65143143</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>53124386</TotExpensesEtcAuditedFinclStmt>
      <DonatedServicesUseOfFacilities>194637</DonatedServicesUseOfFacilities>
      <OtherExpensesIncluded>1279792</OtherExpensesIncluded>
      <ExpensesNotRptdF990>1474429</ExpensesNotRptdF990>
      <ExpensesSubtotal>51649957</ExpensesSubtotal>
      <InvestmentExpensesNotIncluded2>69229</InvestmentExpensesNotIncluded2>
      <ExpensesNotRptdOnFinStmt>69229</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>51719186</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIII>
        <Identifier>Sch D Part V Line 4</Identifier>
        <Explanation>The Endowment Fund is long term investment where any earnings are intended to further program objectives, such as education.</Explanation>
      </Form990ScheduleDPartXIII>
      <Form990ScheduleDPartXIII>
        <Identifier>sch D Part XI Line 2d</Identifier>
        <Explanation>COGS in expense on F/S 613,429 Special Events Expenses in Expenses on F/S 217,932 Rental Expense on F/S 448,431 ----------- Total Other 1,279,792</Explanation>
      </Form990ScheduleDPartXIII>
      <Form990ScheduleDPartXIII>
        <Identifier>Sch D Part XII Line 2d</Identifier>
        <Explanation>COGS Reported on Net Rev Sch 613,429 Special Events Expense on Net Rev Sch 217,932 Rental Expenses on Net Rev Sch 448,431 ----------- Total Other 1,279,792</Explanation>
      </Form990ScheduleDPartXIII>
      <Form990ScheduleDPartXIII>
        <Identifier>SCH D PART X LINE 2</Identifier>
        <Explanation>The Exploratorium files exempt organization returns and, if applicable, unrelated business income tax returns in the U.S. federal and California jurisdictions. The Exploratoriums tax returns for the years ended June 30, 2010, June 30, 2011, June 30,2012, and June 30, 2013 are open for potential IRS/California Franchise Tax Board examination. The subsidiaries are required to file corporate or partnership tax returns in the U.S. federal and California jurisdictions. THE RETURNS FOR THE YEARS ENDED DECEMBER 31, 2011 AND 2012 ARE OPEN FOR POTENTIAL IRS/CALIFORNIA FRANCHISE TAX BOARD EXAMINATION. To date, neither the Exploratorium nor its subsidiaries have been notified by either taxing authority of any pending examination. The Exploratorium adopted the provisions of Financial Accounting Standards Board (FASB) accounting Standards Codification, (ASC) 740-10, Income Taxes, relating to accounting for uncertain tax positions on July 1, 2009. The Exploratorium had no unrecognized tax benefits which would require an adjustment to the July 1, 2009 beginning balance of net assets and had no unrecognized tax benefits for any open tax year at June 30, 2013 or 2012 nor is an adjustment anticipated for the twelve months following June 30, 2013.</Explanation>
      </Form990ScheduleDPartXIII>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF">
      <GrantRecordsMaintained>false</GrantRecordsMaintained>
      <AcctsActvsOutUSTable>
        <Region>Middle East and North Africa</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Consulting/Inst</SpecificServicesProvided>
        <TotalExpenditures>323637</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <AcctsActvsOutUSTable>
        <Region>Europe (Including Iceland and Greenland)</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Consulting/Inst</SpecificServicesProvided>
        <TotalExpenditures>623473</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <AcctsActvsOutUSTable>
        <Region>South America</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Inst/Deinst. Exibits</SpecificServicesProvided>
        <TotalExpenditures>5875</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <AcctsActvsOutUSTable>
        <Region>North America</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Inst/Deinst. Exibits</SpecificServicesProvided>
        <TotalExpenditures>29303</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <AcctsActvsOutUSTable>
        <Region>East Asia and the Pacific</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Consulting</SpecificServicesProvided>
        <TotalExpenditures>19800</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <SubtotalAmountSpent>1002088</SubtotalAmountSpent>
      <TotalAmountSpent>1002088</TotalAmountSpent>
      <GrantsToIndOutsideUS>
        <TypeOfAssistance>Fellowship</TypeOfAssistance>
        <Region>Europe (Including Iceland and Greenland)</Region>
        <NumberOfRecipients>1</NumberOfRecipients>
        <AmountOfCashGrant>2000</AmountOfCashGrant>
        <MannerOfCashDisbursement>check</MannerOfCashDisbursement>
      </GrantsToIndOutsideUS>
      <TransferToForeignCorp>false</TransferToForeignCorp>
      <InterestInForeignTrust>false</InterestInForeignTrust>
      <OwnForeignCorp>false</OwnForeignCorp>
      <PassiveForeignInvestCo>false</PassiveForeignInvestCo>
      <ForeignPartnership>false</ForeignPartnership>
      <BoycottCountries>true</BoycottCountries>
      <Form990ScheduleFPartV>
        <Identifier>Sch F Part 1 col (f)</Identifier>
        <Explanation>The Exploratorium sells and leases exhibits to other museums and organization located outside of the US. During the FYE 6/30/2013 the organization earned more than $10,000 in revenue from these activities. The expenditures incurred to earn revenue from these sales and leases are reported in Part I, this part includes expenditures only. The organization uses the accrual method to account for its expenditures for financial statement purposes; Part I expenditures are reported on this same basis.</Explanation>
      </Form990ScheduleFPartV>
    </IRS990ScheduleF>
    <IRS990ScheduleG documentId="IRS990ScheduleG">
      <MailSolicitations>X</MailSolicitations>
      <EmailSolicitations>X</EmailSolicitations>
      <PhoneSolicitations>X</PhoneSolicitations>
      <InPersonSolicitations>X</InPersonSolicitations>
      <SolicitationOfNonGovtGrants>X</SolicitationOfNonGovtGrants>
      <SolicitationOfGovtGrants>X</SolicitationOfGovtGrants>
      <SpecialFundraisingEvents>X</SpecialFundraisingEvents>
      <AgreementRefFundraising>true</AgreementRefFundraising>
      <FundraiserActivityInformation>
        <NameOfIndividual>CHARLES R FELDSTEIN</NameOfIndividual>
        <AddressUS>
          <AddressLine1>737 NORTH MICHIGAN AVE</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60611</ZIPCode>
        </AddressUS>
        <Activity>CONSULTING</Activity>
        <FundraiserControlOfFunds>false</FundraiserControlOfFunds>
        <AmountRetainedByContractor>200000</AmountRetainedByContractor>
      </FundraiserActivityInformation>
      <TotalRetainedByContractors>200000</TotalRetainedByContractors>
      <LicensedStates>CA</LicensedStates>
      <EventsInformation>
        <NameOfEvent1>Gala</NameOfEvent1>
        <GrossReceiptsEvent1>1912949</GrossReceiptsEvent1>
        <CharitableContributionsEvent1>1792714</CharitableContributionsEvent1>
        <GrossRevenueEvent1>120235</GrossRevenueEvent1>
        <FoodAndBeverageEvent1>159324</FoodAndBeverageEvent1>
        <EntertainmentEvent1>58608</EntertainmentEvent1>
        <TotalNumberOfOtherEvents>0</TotalNumberOfOtherEvents>
        <GrossReceiptsTotal>1912949</GrossReceiptsTotal>
        <CharitableContributionsTotal>1792714</CharitableContributionsTotal>
        <GrossRevenueTotalEvents>120235</GrossRevenueTotalEvents>
        <FoodAndBeverageTotalEvents>159324</FoodAndBeverageTotalEvents>
        <EntertainmentTotalEvents>58608</EntertainmentTotalEvents>
        <DirectExpenseSummaryEvents>217932</DirectExpenseSummaryEvents>
        <NetIncomeSummary>-97697</NetIncomeSummary>
      </EventsInformation>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <RecordsMaintained>true</RecordsMaintained>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>Fellowship</TypeOfGrant>
        <NumberOfRecipients>5</NumberOfRecipients>
        <AmountOfCashGrant>13000</AmountOfCashGrant>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIV>
        <Identifier>Sch I Part I Line 2</Identifier>
        <Explanation>The Exploratorium monitors the fellowship activities to ensure funds are used appropriately and as intended. The museum selects fellowship recipients on an internal vetting process. Selected candidates are outstanding artists, scholars, authors and scientists. They are leaders in their field, great thinkers and significantly contribute to the museum during the tenure of their fellowship. fellowship.</Explanation>
      </Form990ScheduleIPartIV>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ">
      <CompensationCommittee>X</CompensationCommittee>
      <IndependentConsultant>X</IndependentConsultant>
      <Form990OfOtherOrganizations>X</Form990OfOtherOrganizations>
      <WrittenEmploymentContract>X</WrittenEmploymentContract>
      <CompensationSurvey>X</CompensationSurvey>
      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
      <SeverancePayment>false</SeverancePayment>
      <SupplementalNonqualRetirePlan>false</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>false</EquityBasedCompArrangement>
      <CompBasedOnRevenueOfFilingOrg>false</CompBasedOnRevenueOfFilingOrg>
      <CompBasedOnRevenueRelatedOrgs>false</CompBasedOnRevenueRelatedOrgs>
      <CompBasedNetEarningsFilingOrg>false</CompBasedNetEarningsFilingOrg>
      <CompBasedNetEarningsRelateOrgs>false</CompBasedNetEarningsRelateOrgs>
      <AnyNonFixedPayments>false</AnyNonFixedPayments>
      <InitialContractException>false</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>DENNIS BARTELS</NamePerson>
        <Title>Executive Director</Title>
        <BaseCompensationFilingOrg>316361</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>12500</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>25225</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>354086</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>LAURA ZANDER</NamePerson>
        <Title>Chief Operating Officer</Title>
        <BaseCompensationFilingOrg>200087</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>10441</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>21346</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>231874</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>ROBERT SEMPER</NamePerson>
        <Title>Director of Programs</Title>
        <BaseCompensationFilingOrg>221621</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>11187</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>10020</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>242828</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>ANN DABOVICH</NamePerson>
        <Title>Director for Inst Advancement</Title>
        <BaseCompensationFilingOrg>213063</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>11078</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>37492</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>261633</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>SILVA RAKER</NamePerson>
        <Title>Dir of Business Development</Title>
        <BaseCompensationFilingOrg>177918</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>9399</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>39000</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>226317</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>THOMAS ROCKWELL</NamePerson>
        <Title>Dir Exhibits &amp; Media Studios</Title>
        <BaseCompensationFilingOrg>174752</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>9147</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>27179</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>211078</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>BRONWYN BEVAN</NamePerson>
        <Title>Dir of Research &amp; Learn'g Inst</Title>
        <BaseCompensationFilingOrg>172238</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>8889</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>22186</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>203313</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>KRISTINA H WOOLSEY</NamePerson>
        <Title>Director of Capital Project</Title>
        <BaseCompensationFilingOrg>187975</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>9681</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>28501</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>226157</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>ROWENA DOUGLAS</NamePerson>
        <Title>Director K-12</Title>
        <BaseCompensationFilingOrg>133474</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>6789</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>11966</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>152229</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>NANCY SACKSON</NamePerson>
        <Title>Director of Development</Title>
        <BaseCompensationFilingOrg>136001</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>7174</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>23281</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>166456</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="IRS990ScheduleL">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>Jay Welker</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Director</Relationship>
        <DescriptionOfTransaction>See Part v</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartV>
        <Identifier>Part IV</Identifier>
        <ReturnReference>Business transactions involving interested persons</ReturnReference>
        <Explanation>Jay Welker was an uncompensated director of the Board of the organization. Jay Welker was also a key employee of Wells Fargo Bank, an arm's length third party service provider of the organization. Jay Welker's term on the Board of Directors ended on June 30, 2013.</Explanation>
      </Form990ScheduleLPartV>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="IRS990ScheduleM">
      <WorksOfArt />
      <ArtHistoricalTreasures />
      <ArtFractionalInterest />
      <BooksAndPublications />
      <ClothingAndHouseholdGoods />
      <CarsAndOtherVehicles />
      <BoatsAndPlanes>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>18338</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </BoatsAndPlanes>
      <IntellectualProperty />
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NoncashContribsRptdF990>3358949</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <SecuritiesCloselyHeldStock />
      <SecuritiesPrtnrshpTrustIntrsts />
      <SecuritiesMiscellaneous />
      <QualifiedContribHistStruct />
      <QualifiedContribOther />
      <RealEstateResidential />
      <RealEstateCommercial />
      <RealEstateOther />
      <Collectibles />
      <FoodInventory>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>4</NumberOfContributions>
        <NoncashContribsRptdF990>7516</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </FoodInventory>
      <DrugsAndMedicalSupplies />
      <Taxidermy />
      <HistoricalArtifacts />
      <ScientificSpecimens />
      <ArchaeologicalArtifacts />
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Bicycle</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>2800</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Equipment</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>488250</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Boat Supplies</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>1200</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Tools</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>690</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Exhibit Supplies</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>3820</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>cost</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <AnyPropertyThatMustBeHeld>false</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>true</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>false</ThirdPartiesUsed>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>Form 990 Part III Line 1</Identifier>
        <Explanation>THE EXPLORATORIUM IS A MUSEUM OF SCIENCE, ART, AND HUMAN PERCEPTION FOUNDED IN 1969 BY PHYSICIST FRANK OPPENHEIMER. THE EXPLORATORIUM'S PRIMARY PURPOSE IS TO ENGAGE IN EDUCATIONAL ACTIVITIES THAT FOSTER AND PROMOTE PUBLIC UNDERSTANDING OF SCIENCE, ART, TECHNOLOGY AND HUMAN PERCEPTION. THE EXPLORATORIUM IS A MUSEUM AND EDUCATIONAL RESEARCH AND DEVELOPMENT CENTER DEDICATED TO CHANGING HOW THE WORLD LEARNS BY MOVING INDIVIDUALS FROM PASSIVE CONSUMPTION OF INFORMATION AND OTHER PEOPLE'S CLAIMS TO ACTIVE, PERSONAL EXPLORERS OF THE NATURAL AND TECHNOLOGICAL WORLDS AND THEMSELVES. THE EXPLORATORIUM'S MISSION IS TO CREATE A CULTURE OF LEARNING THROUGH THE DEVELOPMENT OF INNOVATIVE ENVIRONMENTS, PROGRAMS AND TOOLS THAT HELP PEOPLE NURTURE THEIR CURIOSITY ABOUT THE WORLD AROUND THEM.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part III, Line 4a</Identifier>
        <Explanation>The exhibit environment group designs the exhibit experience for the museum, develops and builds exhibits and maintains the exhibit environment. The mediated experience group creates and produces public programs, including lectures, demonstrations, events and webcasts and provides exhibit space staffing and interpretation through the field trip program. The online engagement group develops experiences for online visitors, connects the physical exhibits to the on-line users and operates the website for the museum. The extended learning group develops and offers classes for youth and adults onsite and in the bay area, operates the physical and online library and develops publications and online learning experiences. The K-12 educator group provides teacher professional development for schools in our region and across the United States. The museum learning group provides professional development for museum educators throughout the United States and around the world and supports the connection between The Exploratorium and the professional world of scientists and artists.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Line 11B:</Identifier>
        <Explanation>Grant Thornton LLP and The Exploratorium staff work together to gather the required tax information necessary to complete the tax returns. The initial draft returns were reviewed by Grant Thornton and The Exploratorium staff; items were discussed and reviewed. Recommended changes were reflected in the return and draft tax returns were prepared. The Audit Committee received the final version of the tax returns for review and approval prior to filing with the appropriate tax authorities. The Board has delegated monitoring and review of financial matters to the Audit Committee. Public disclosure copies of the returns are provided to the full Board of Directors.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Line 12c:</Identifier>
        <Explanation>The Exploratorium requires that the Executive Director, COO and Directors or Trustees disclose in writing whether or not there are any potential conflicts of interest at least annually and during the year as necessary. If any conflict is identified, the concerns are immediately elevated to the Chairman of the Board, At that time the board member may be asked to leave meetings or abstain form voting on certain issues.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, Lines 15a and 15b:</Identifier>
        <Explanation>The compensation committee annually reviews the Executive Director and Chief Operating Officer compensation using surveys and other comparable data.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI Section C, Line 19:</Identifier>
        <Explanation>The company maintains for public record copies of its governing documents, conflicts of interest and financial statements which are all available upon request.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>EXPLORATORIUM PROJECT LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>Pier 15/17</AddressLine1>
          <City>SAN FRANCISCO</City>
          <State>CA</State>
          <ZIPCode>94111</ZIPCode>
        </AddressUS>
        <EIN>273217820</EIN>
        <PrimaryActivity>Real Estate</PrimaryActivity>
        <LegalDomicileState>CA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXPL MASTER HOL</BusinessNameLine1>
        </DirectControllingEntityName>
        <PredominantIncomeType>related</PredominantIncomeType>
        <ShareOfTotalIncome>0</ShareOfTotalIncome>
        <ShareOfEOYAssets>189106947</ShareOfEOYAssets>
        <DisproportionateAllocations>false</DisproportionateAllocations>
        <CodeVAmount>0</CodeVAmount>
        <GeneralOrManagingPartner>true</GeneralOrManagingPartner>
        <PercentageOwnership>0.60000</PercentageOwnership>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>EXPLORATORIUM MASTER HOLDINGS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>Pier 15/17</AddressLine1>
          <City>SAN FRANCISCO</City>
          <State>CA</State>
          <ZIPCode>94111</ZIPCode>
        </AddressUS>
        <EIN>273217686</EIN>
        <PrimaryActivity>HOLDING COMPANY</PrimaryActivity>
        <LegalDomicileState>CA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>THE EXPLORATORI</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C CORP</TypeOfEntity>
        <ShareOfTotalIncome>0</ShareOfTotalIncome>
        <ShareOfEOYAssets>189106947</ShareOfEOYAssets>
        <PercentageOwnership>1.00000</PercentageOwnership>
        <ControlledOrg>false</ControlledOrg>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>true</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>false</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <DividendsRelatedOrganization>false</DividendsRelatedOrganization>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>false</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>false</SharingOfFacilities>
      <SharingOfPaidEmployees>false</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>true</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>true</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Exploratorium Master Holdings Inc</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>b</TransactionType>
        <AmountInvolved>25402977</AmountInvolved>
        <MethodOfAmtDetermination>cost</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>