The Donald F. and Mildred Topp Othmer Library of Chemical History

The Othmer Library of Chemical History encompasses the history of chemistry and related sciences and industries. Strengths include alchemy, industries, general science, physics, physiology, medicine, toxicology, pathology, pharmacology, pharmacy and materia medica, technology, engineering, environmental topics, mining, and chemical manufacturers.

Subject Guides

Subject Guides

Research assistance, subject guides, and useful resources compiled by the Othmer library staff. Know what we know — find it in our Subject Guides!



Othmeralia logo

View the hidden treasures buried in the Othmer Library’s collections. From the intriguing to the quirky, Othmeralia showcases items unearthed daily by our library’s staff. Learn more »

Brown Bag Lecture Series

Enjoy a bring-your-own brown-bag lunch while listening to CHF scholars share their research.

Need Meeting Space?

CHF’s state-of-the-art conference center is in Philadelphia’s beautiful historic district.

Sensing Change

See your environment with fresh eyes through this online exhibit.

Fellowships at CHF

CHF’s scholars, who spend anywhere from one to nine months in residence, form a vital part of CHF’s intellectual life.