APS buildings are closed on Monday, January 20, in observance of Martin Luther King, Jr. Day. 

Center for the History of Science

The American Philosophical Society’s Center for the History of Science encourages greater engagement with the Library & Museum’s deep and extensive holdings in this field.

The American Philosophical Society’s Center for the History of Science encourages greater engagement with the Library & Museum's deep and extensive holdings through a robust program of long- and short-term fellowships, seminars and events, and acquisitions.