Joseph H. Leopold

Lucien Nerman

Lucien Nerman was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. A. Wentworth

R. A. Wentworth worked for Clinton Laboratories at the X-10 Reactor.

Leonard S. Levinson

Mary Lois Johns

Mary Johns worked for the Tennessee Eastman Corporation at the Y-12 Plant.