Fiscal year ending 2024. Filed on November 3, 2025.
104 South Fifth Street
Philadelphia, Pennsylvania 19106
American Philosophical Society (EIN: 23-1353269) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, American Philosophical Society, a 501(c)(3) charitable organization, reported compensation for 9 out of 83 total employees. Among the employees shown here, the average compensation is $230,960. The highest compensated employee at American Philosophical Society is Dr Robert M Hauser with fiscal year 2024 compensation of $376,275.
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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
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