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      <Form990PartVIISectionAGrp>
        <PersonNm>LIZELLEN LA FOLLETTE MD</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID GENSLER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL GHILOTTI</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LYDIA GRAHAM</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JANE INCH</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN M JACK</PersonNm>
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        <PersonNm>JILL KINNEY</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>AFAF I MELEIS PHD FAAN LL</PersonNm>
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        <PersonNm>JIM MELLON</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BILL POLAND</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>STEVEN READ</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>E LEW REID</PersonNm>
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        <PersonNm>ROBERT ROSENKRANZ</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JACK ROWE MD</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>THEO TAFT SCHWABACHER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LILIAN SHACKELFORD MURRAY</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARK SIEGEL</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>FREDRIC E STECK</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD STONE CLU CFP</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>PAUL VERKUIL</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOON YUN</PersonNm>
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      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>SYLOGIST MISSION INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <CityNm>PALATINE</CityNm>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 411753</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
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            <ZIPCd>02241</ZIPCd>
          </USAddress>
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        <ExclusionAmt>728156</ExclusionAmt>
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        <ExclusionAmt>164738</ExclusionAmt>
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        <PersonalAmt>34971</PersonalAmt>
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        <PersonalAmt>0</PersonalAmt>
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      <RentalIncomeOrLossGrp>
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        <PersonalAmt>34971</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-265460</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>-265460</UnrelatedBusinessRevenueAmt>
      </NetRentalIncomeOrLossGrp>
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      </GrossAmountSalesAssetsGrp>
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        <SecuritiesAmt>3098780</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
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        <SecuritiesAmt>525653</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>525653</TotalRevenueColumnAmt>
        <ExclusionAmt>525653</ExclusionAmt>
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        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>51582</TotalRevenueColumnAmt>
        <ExclusionAmt>51582</ExclusionAmt>
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      <OtherRevenueTotalAmt>51582</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>57241648</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>313697</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>560890</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1470129</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
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        <ProgramServicesAmt>100000</ProgramServicesAmt>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>1017088</ProgramServicesAmt>
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        <ProgramServicesAmt>253348</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1408999</ManagementAndGeneralAmt>
        <FundraisingAmt>84450</FundraisingAmt>
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        <ProgramServicesAmt>16417556</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6611451</ManagementAndGeneralAmt>
        <FundraisingAmt>594813</FundraisingAmt>
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        <ProgramServicesAmt>1482528</ProgramServicesAmt>
        <ManagementAndGeneralAmt>490988</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>845616</ManagementAndGeneralAmt>
        <FundraisingAmt>81801</FundraisingAmt>
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        <ProgramServicesAmt>1200748</ProgramServicesAmt>
        <ManagementAndGeneralAmt>486751</ManagementAndGeneralAmt>
        <FundraisingAmt>52268</FundraisingAmt>
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        <ProgramServicesAmt>54606</ProgramServicesAmt>
        <ManagementAndGeneralAmt>184532</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
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        <ManagementAndGeneralAmt>111300</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>927460</ProgramServicesAmt>
        <ManagementAndGeneralAmt>510755</ManagementAndGeneralAmt>
        <FundraisingAmt>55786</FundraisingAmt>
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        <ProgramServicesAmt>9616</ProgramServicesAmt>
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        <ProgramServicesAmt>577929</ProgramServicesAmt>
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        <ProgramServicesAmt>101638</ProgramServicesAmt>
        <ManagementAndGeneralAmt>86430</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>665663</ProgramServicesAmt>
        <ManagementAndGeneralAmt>102494</ManagementAndGeneralAmt>
        <FundraisingAmt>17730</FundraisingAmt>
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        <ManagementAndGeneralAmt>931868</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>5034404</ProgramServicesAmt>
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        <ProgramServicesAmt>2867150</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37001</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>752286</ProgramServicesAmt>
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        <ProgramServicesAmt>289042</ProgramServicesAmt>
        <ManagementAndGeneralAmt>152928</ManagementAndGeneralAmt>
        <FundraisingAmt>22495</FundraisingAmt>
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        <ProgramServicesAmt>47226526</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14185477</ManagementAndGeneralAmt>
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        <EOYAmt>932874</EOYAmt>
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        <EOYAmt>16536516</EOYAmt>
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        <EOYAmt>17813883</EOYAmt>
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        <EOYAmt>584629</EOYAmt>
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      <OthNotesLoansReceivableNetGrp>
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        <EOYAmt>441155</EOYAmt>
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        <EOYAmt>116262</EOYAmt>
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        <EOYAmt>83914090</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>4861069</EOYAmt>
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        <EOYAmt>92614</EOYAmt>
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        <EOYAmt>6990712</EOYAmt>
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        <EOYAmt>132283804</EOYAmt>
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        <EOYAmt>6540788</EOYAmt>
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        <ExplanationTxt>THE BUCK INSTITUTE BOARD OF TRUSTEES APPROVES TERMS OF EMPLOYMENT OF THE CEO/PRESIDENT AND COMPENSATION FOR EXECUTIVE POSITIONS IN ACCORDANCE WITH THE REBUTTABLE PRESUMPTION OF REASONABLENESS. THE CEO WILL APPROVE ALL SALARY ACTIONS SUCH AS HIRING, PROMOTION AND MERIT INCREASES FOR FACULTY. THE COO, IN CONSULTATION WITH THE CEO, WILL REVIEW AND APPROVE THE HIRING, PROMOTION AND SALARY INCREASE ACTIONS FOR ALL ADMINISTRATIVE MANAGEMENT POSITIONS. FACULTY AND DEPARTMENT HEADS WILL REVIEW AND APPROVE THE HIRING, PROMOTION, AND (IN CONSULTATION WITH THE COO) SALARY INCREASE ACTIONS FOR THOSE REPORTING TO THEM. SALARY ACTIONS ARE ALSO DETERMINED THROUGH THE USE OF COMPENSATION SURVEYS FOR COMPARABILITY. IF IT IS DETERMINED BY THE HIRING MANAGER AND HUMAN RESOURCES THAT A NEW POSITION TITLE IS REQUIRED, HUMAN RESOURCES WILL ADD THE NEW POSITION TO THE APPROVED JOB TITLE LIST, INCLUDING APPROPRIATE CLASSIFICATION AND SALARY RANGE.</ExplanationTxt>
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