Niels Bohr and Albert Einstein in 1930
Image courtesy of the American Philosophical Society
About the Collections
See detailed information about member institutions and their collections. Select a member institution below to visit its main collections or library page.
- The Academy of Natural Sciences
- American Philosophical Society
- Chemical Heritage Foundation
- The College of Physicians of Philadelphia
- The Franklin Institute
- Hagley Museum and Library
- The Historical Society of Pennsylvania
- The Johns Hopkins University
- The Library Company of Philadelphia
- Princeton University
- University of Pennsylvania
- The Wagner Free Institute of Science