APS buildings are open only to necessary staff. Work continues remotely. Virtual programs are ongoing. Read more about the APS's COVID response.

APS Museum

American Philosophical Society
By Rosemarie Fettig, Bryn Mawr College 2019 Curatorial Research Intern In my research for Dr. Franklin, Citizen Scientist, I learned that birds crop up with...
Janine Boldt
Above image: Thomas Sully after Bass Otis, Caspar Wistar, 1830 (original 1817). Oil on canvas. APS. If you have spent time in the second-floor conference...
Janine Boldt
This is the second post of a two-part blog. Read part one here. In 1896, the American Philosophical Society acquired its second portrait of Robert...
American Philosophical Society
While the Society will remain closed to the public for the time being, staff have already developed a number of policies meant to safeguard the...
American Philosophical Society
The American Philosophical Society, founded by Benjamin Franklin in 1743, proudly bears the title of the nation's oldest learned society. Our founders participated in the...
Janine Boldt
The American Philosophical Society recently acquired its third portrait of Robert Maskell Patterson (1787-1854); this one by the renowned artist Thomas Sully painted in 1866...
David Gary
The Transactions of the American Philosophical Society is the nation’s oldest scientific periodical, and the publication of its first volume in early March 1771 proved...
Kyle Roberts
Over the past few weeks, we have explored a series of cooking recipes found in the American Philosophical Society’s collection of Benjamin Franklin’s manuscripts. Nearly...