National Historic Landmark-American Philosophical Society Hall

National Historical Landmark- American Philosophical Society Hall

Since 1789 this two-story late-Georgian brick building has housed the fortnightly meetings of one of America's oldest and most honorable learned societies.

The organization traces its origins to 1743, when Benjamin Franklin publicly urged ...

Philosophical Hall

Built 1786-89, Philosophical Hall is the home of the American Philosophical Society, the oldest learned society in America. Founded by Benjamin Franklin in 1743, the society pursued "useful knowledge."

One of the society's early members, artist Charles Willson Peale, operated ...