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Secondary navigation Main navigation The Library 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. Museum at Philosophical Hall 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 Societys renowned collections that trace American history and science from the Founding Fathers to the digital age. From the Blog In Memory of Keith Thomson 19382025 Sketching Splendors Sketches A Recap of 2024 at the Museum New to the Digital Library John Wheeler039s Relativity Notebooks Featured Fellow Lyne HerveyPassee 20242025 David Center for the American Revolution International Fellow The American Philosophical Society is the oldest learned society in the United States.