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.


Please note that this tour begins at 4:15pm. No registration is necessary for this First Friday drop-in tour, but space is limited! Guests under 18 years of age must be accompanied by an adult.

More events

cover of a notebook
September 16, 2026
Free

Stories of Science: CollegeFest 2026

All Philadelphia-area college students are invited to visit us during CollegeFest, Campus Philly’s annual “Welcome to Philadelphia” celebration!

Color graphic with the title, Gender Minorities in the Sciences Panel
September 16, 2026
Programs, Lectures & Talks

Gender Minorities in the Sciences Panel

Scientists share their experiences and strategies for advancing equity and inclusion in STEM across gender-diverse communities.

etching of fireworks over architectural details
September 19, 2026
Tours

Fireworks Tour

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

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