Curious about the other half of the Science History Institute? Step into the Othmer Library of Chemical History!

Since its founding in 1988, the Othmer Library at the Science History Institute has been a haven for research in the history of science—but there’s more to the story. Explore the reading room on a guided tour, learn how our collection has grown, and discover why we have one of the most comprehensive rare book collections on chemistry and its alchemical roots.


Othmer Library Tours are available every other Wednesday at 12pm and on the first Friday of most months at 5:15pm.

Registration is required for Wednesday tours; First Friday tours are drop-in. Guests under 18 years of age must be accompanied by an adult.

More events

illustrations of 18th century fireworks production
August 29, 2026
Drop-In Tours

Fireworks Tour

Join our museum educators for a drop-in tour of our special exhibition on the fascinating history and science of pyrotechnics.

color illustration of quartz samples
August 29, 2026
For Families

Stories of Science: Color and Light

Join us in our museum EVERY SATURDAY for a family-friendly program that highlights strange and surprising stories from the history of science!

photo of two fluorescent light bulbs
August 29, 2026
Drop-In Tours

Stuff from Your House Highlights Tour

Join our museum educators as we explore the scientific principles and history behind everyday household objects.

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