The American Philosophical Society is the oldest learned society in the United States. Founded by Benjamin Franklin in 1743, it continues its mission of "promoting useful knowledge" through research, fellowships, and public outreach.
The APS is closed on Monday, October 14 in observance of Indigenous Peoples' Day.
The American Philosophical Society Library is a major national center for research in the history of the sciences, early American history, and Native American ethnography and linguistics.
Philosophical Hall, adjacent to Independence Hall, has been the home of the American Philosophical Society since 1789. In its Museum, visitors will see exhibitions drawn from the Society’s renowned collections that trace American history and science from the Founding Fathers to the digital age.
The American Philosophical Society is the oldest learned society in the United States. Founded by Benjamin Franklin in 1743, it continues its mission of "promoting useful knowledge" through research, fellowships, and public outreach.