American Philosophical Society

PHILADELPHIA, PA EIN: 23-1353269 Website

The American Philosophical Society, the oldest learned society in the United States, was founded in 1743 by Benjamin Franklin for the purpose of "promoting useful knowledge." In the 21st century the Society sustains this mission in three principal ways. It honors and engages distinguished scientists, humanists, social scientists, and leaders in civic and cultural affairs through elected membership and opportunities for interdisciplinary, intellectual fellowship, particularly in the semi-annual Meetings in Philadelphia. It supports research and discovery through grants and fellowships, lectures, publications, prizes, exhibitions, and public education. It serves scholars through a research library of manuscripts and other collections internationally recognized for their enduring historic value. The American Philosophical Society's current activities reflect the founder's spirit of inquiry, provide a forum for the free exchange of ideas, and convey the conviction of its members that intel

Financial Overview

From 2024 IRS Form 990-PF

Total Assets

$310.2M

+6.2% YoY

Annual Giving

$15K

+0.0% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$15K

+0.0% YoY

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Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$9M$17M$26M$34M20202021202220232024
Metric202420232022
Total Assets$310,248,157$292,035,358$267,448,047
Revenue$20,391,804$13,318,942$12,299,474
Expenses$15,571,638$14,213,316$13,165,105
Qualifying Distributions
Net Investment Income$16,906,951$9,353,380$5,717,725
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$4K$8K$11K$15K1 grants20201 grants20211 grants20221 grants20231 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

The Papers of Benjamin F…$15K

Grant Size Distribution

5 grants across all recorded years

5<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

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Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

Dr Robert M HauserCEO$341KMichelle McDonaldDir of Library$257KJohn WolfeFinancial Offic$252KDr Patrick SperoCEO$232KLinda JacobsDevelopment Direct$193KGary DavidAsso Dir of Collec$139KLinda MusumeciDir of Grants & Fe$123KBayard MillerAssoc Dir of Digit$120KMary Grace WahlAssoc Dir of Colle$114K

From 2024 filing

NameTitleHoursCompensation
Dr Robert M HauserCEO40$341,000
Michelle McDonaldDir of Library40$257,373
John WolfeFinancial Offic40$251,750
Dr Patrick SperoCEO40$231,916
Linda JacobsDevelopment Direct40$192,610
Gary DavidAsso Dir of Collec40$139,050
Mary Grace WahlAssoc Dir of Colle40$113,810
Bayard MillerAssoc Dir of Digit40$120,120
Linda MusumeciDir of Grants & Fe40$122,802
Dr Joanna AizenbergCouncilor1
Dr Julia H GaisserCouncilor1
Dr Jacqueline K BartonV.P./Council1
Dr Dusa McDuffCouncilor1
Dr Clyde F BarkerCouncilor1
Dr Linda K KerberCouncilor1
Dr Vijay KumarCouncilor1
Dr Jianguo LiuCouncilor1
Dr Anne CaseCouncilor1
Dr David SkortonCouncilor/Secy1
Dr Richard E LenskiCouncilor1
John S ReedCouncilor1
Linda GreenhouseCouncilor1
Dr Nina JablonskiV.P./Council1
Sir Mark ThompsonCouncilor1
Dr Kathleen Hall JamiesonCouncilor1
Dr Andrew DelbancoCouncilor1
Dr Paul W KrollCouncilor1
Dr Leslie C AielloCurator/Council1
Mr Richard B WorleyCouncilor1
Dr Jonathan R ColeCouncilor1
Dr Ronald M FairmanCouncilor1
Margaret H MarshallCouncilor1
Dr Marna C WhittingtonCouncilor/Treas1
Dr Alan S BlinderCouncilor1
Robert James MillerCouncilor1
Dr Harriet ZuckermanCouncilor1
Dr David HollingerCouncilor1
Dr Keith S ThomsonCurator/Council1
Dr Roger S BagnallPres/Councilor1
Dr William H HookeCouncilor1
Dr Caroline W BynumCouncilor/V.P.1
Dr Douglas S MasseyCouncilor1
Dr John C Van HorneCouncilor1

Geographic Focus

Where this funder has awarded grants

Grant Distribution by State

1states

States

Cities

New Haven

Data last updated March 2026. Sourced from IRS Form 990-PF filings.

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