APS buildings are open to staff and invited visitors. The Library is under renovation until early 2022. Virtual programs are ongoing. Read more about the APS's COVID response and operating procedures.

Program in the History of Science

The American Philosophical Society’s Program in the History of Science encourages greater scholarship in the APS Library’s deep and extensive holdings in this field.

The American Philosophical Society’s Program in the History of Science encourages greater scholarship in the APS Library’s deep and extensive holdings through a robust program of long- and short-term fellowships, seminars and events, and acquisitions.