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, but space is limited! Guests under 14 years of age must be accompanied by an adult.

More events

a museum educator explains what a flowerpot is to a fireworks exhibition visitor at the Science History Institute
May 14, 2026
Museum Programs & Activities

Educator Night: Flash! Bang! Boom!

Join us for a special evening just for educators, with an in-depth look at the science, history, and spectacle behind fireworks!

A colorful firework display, illustrating the history of fireworks.
May 16, 2026
Free

APS Neighborhood Fun Day

Stop by our table to see examples of the fine art featured in our fireworks exhibition, then partake in hands-on activities, games, and snacks!

group of women standing around a lab table with periodic table in background
May 16, 2026
Drop-In Tours

Women in Chemistry Tour

Drop in for a tour highlighting the central role of women in shaping chemistry and the material sciences throughout history.

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