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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SEE STATEMENT A</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>SEE STATEMENT A</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11747</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SEE STATEMENT A</GrantOrContributionPurposeTxt>
          <Amt>13278667</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>13278667</TotalGrantOrContriPdDurYrAmt>
        <GrantOrContriApprvForFutGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>WALDEN WOODS PROJECT</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>44 Baker Farm</AddressLine1Txt>
            <CityNm>Lincoln</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>01773</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GENERAL SUPPORT GRANT</GrantOrContributionPurposeTxt>
          <Amt>250000</Amt>
        </GrantOrContriApprvForFutGrp>
        <GrantOrContriApprvForFutGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Cold Spring Harbor Laboratory</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>One Bungtown Road</AddressLine1Txt>
            <CityNm>Cold Spring Harbor</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11724</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>none</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Support the Cancer/Drug Therapeutic Initiative; Renovation of Demarac Hall.</GrantOrContributionPurposeTxt>
          <Amt>1000000</Amt>
        </GrantOrContriApprvForFutGrp>
        <GrantOrContriApprvForFutGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Stony Brook University Next Gen School of Journal</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>230 ADMINISTRATION</AddressLine1Txt>
            <CityNm>Stony Brook</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>117943384</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>none</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Next Generation Endowment Fund</GrantOrContributionPurposeTxt>
          <Amt>300000</Amt>
        </GrantOrContriApprvForFutGrp>
        <GrantOrContriApprvForFutGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Columbia University-Graduate School of JournalISM</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>2950 Broadway</AddressLine1Txt>
            <CityNm>New York</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10027</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Funding to DEVELOP AN OPEN SOURCE SMART PAYWALL.</GrantOrContributionPurposeTxt>
          <Amt>1250000</Amt>
        </GrantOrContriApprvForFutGrp>
        <TotalGrantOrContriApprvFutAmt>2800000</TotalGrantOrContriApprvFutAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp />
        <DivAndIntFromSecPartVIIGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>2369680</ExclusionAmt>
        </DivAndIntFromSecPartVIIGrp>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncmPartVIIGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>1045322</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>3415002</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>3415002</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSch">
      <AccountingFeesDetail>
        <CategoryTxt>ACCOUNTING FEES</CategoryTxt>
        <Amt>91639</Amt>
        <NetInvestmentIncomeAmt>45820</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>45819</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <ContractorCompensationExpln documentId="ContractCompenExpln">
      <ContractorCompExplnGrp>
        <ContractorPersonNm>MARCUM LLP</ContractorPersonNm>
        <ExplanationTxt>ACCOUNTING AND TAX COMPLIANCE SERVICES</ExplanationTxt>
      </ContractorCompExplnGrp>
    </ContractorCompensationExpln>
    <DepreciationSchedule documentId="DepreciationSch" />
    <ExpenditureResponsibilityStmt documentId="ExpdturResponbltStmt">
      <ExpenditureResponsibilityGrp>
        <BusinessName>
          <BusinessNameLine1Txt>SEE STATEMENTS C D &amp; E ATTACHED</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>SEE STATEMENT ATTACHED</AddressLine1Txt>
          <CityNm>MELVILLE</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11747</ZIPCd>
        </USAddress>
        <GrantDt>2019-12-31</GrantDt>
        <PurposeOfGrantTxt>SEE STATEMENT ATTACHED</PurposeOfGrantTxt>
        <AnyDiversionByGranteeTxt>NO</AnyDiversionByGranteeTxt>
        <DatesOfReportsByGranteeTxt>VARIOUS</DatesOfReportsByGranteeTxt>
        <ResultsOfVerificationTxt>SEE STATEMENT ATTACHED</ResultsOfVerificationTxt>
      </ExpenditureResponsibilityGrp>
    </ExpenditureResponsibilityStmt>
    <InvestmentsCorpBondsSchedule documentId="InvestCorpBondsSch">
      <InvestmentsCorporateBondsGrp>
        <BondNm>NORTHERN TRUST</BondNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>FIXED US BONDS- STATEMENT A</BondNm>
        <EOYBookValueAmt>56203486</EOYBookValueAmt>
        <EOYFMVAmt>58076802</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>FIXED DEV BONDS- STATEMENT A</BondNm>
        <EOYBookValueAmt>5737035</EOYBookValueAmt>
        <EOYFMVAmt>5856362</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>MUNICIPAL BONDS - CITI</BondNm>
        <EOYBookValueAmt>7000</EOYBookValueAmt>
        <EOYFMVAmt>7200</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
    </InvestmentsCorpBondsSchedule>
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>PUBLICLY TRADED SECURITIES-MSG</StockNm>
        <EOYBookValueAmt>2023888</EOYBookValueAmt>
        <EOYFMVAmt>38285004</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PUBLICLY TRADED SECURITIES-AMC</StockNm>
        <EOYBookValueAmt>3581526</EOYBookValueAmt>
        <EOYFMVAmt>15184116</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PUBLICLY TRADED SEC - MSG NETW</StockNm>
        <EOYBookValueAmt>692734</EOYBookValueAmt>
        <EOYFMVAmt>6793099</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>EQUITIES-STATEMENT A</StockNm>
        <EOYBookValueAmt>21119400</EOYBookValueAmt>
        <EOYFMVAmt>28685725</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>PREPAID ACCRUED INTEREST</CategoryOrItemTxt>
        <BookValueAmt>32532</BookValueAmt>
        <EOYFMVAmt>32532</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <LegalFeesSchedule documentId="LegalFeesSch">
      <LegalFeesGrp>
        <CategoryTxt>LEGAL FEES</CategoryTxt>
        <LegalFeesAmt>6561</LegalFeesAmt>
        <DisbursementsCharitablePrpsAmt>6561</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
    </LegalFeesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>STATE ANNUAL FEE</Desc>
        <RevenueAndExpensesPerBooksAmt>1500</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>1500</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherProfessionalFeesSchedule documentId="OthProfFeesSch">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>INVESTMENT ADVISORY FEES</CategoryTxt>
        <Amt>190442</Amt>
        <NetInvestmentIncomeAmt>190442</NetInvestmentIncomeAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>FEDERAL EXCISE TAX</CategoryTxt>
        <Amt>50000</Amt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES WITHHELD</CategoryTxt>
        <Amt>12545</Amt>
        <NetInvestmentIncomeAmt>12545</NetInvestmentIncomeAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>