The Science History Institute Museum is closed for renovations.
The Othmer Library remains open by appointment.
About Magazine Podcasts Events
Museum Hours:Closed until March 19

Alexandra Straub

Cain Fellow

Alexandra Straub is a historian of environment, science, and technology. She came to the Institute to work on her dissertation, “Making Water Pure: A History of Water Softening from Potash to Tide,” which explores the history of chemical and mechanical water softening.

More from Alexandra Straub

large crowd outside in city
Distillations Magazine

Philadelphia Earth Week, Fifty Years On

The successes and shortcomings of the first Earth Day in 1970 still reverberate.