Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

John D. Mathis

Project WorkerOak Ridge, TN

Manhattan Project VeteranProject Worker/Staff
The Chapel on the Hill

Mathis worked for Stone and Webster Engineering Corporation.

Related Profiles

I. H. Jacobson

Tinian Island

I. H. Jacobson served in the 390th Air Service Group. 

Robert Schrader

Cambridge, MA

Robert Schrader was completing his PhD in chemical engineering at MIT when he was selected to work on the Manhattan Project in Boston.

Julius M. Simmons

Chicago, IL

Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H.A. Fettinger

Chicago, IL

H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.