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.


No registration is necessary for this First Friday drop-in tour! Guests under 14 years of age must be accompanied by an adult.

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As the 250th anniversary of the Declaration of Independence approaches, Jeffery R. Appelhans highlights the American Philosophical Society’s efforts to shed light on the overlooked scientific revolution from 1763 to 1804.

Science History Institute Othmer Library
July 16, 2025
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Othmer Library Tour

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

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Drop-In Tours

School Lunch Tour

This interactive drop-in tour reveals how food scientists, the government, and the public have shaped in-school nutrition.

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