S. Kaplan

Rachel Gilbreath

Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. Galm

C. Galm worked for the Roane-Anderson Company.

W. A. Chalkley

W. A. Chalkley worked for the Tennessee Eastman Corporation at the Y-12 Plant.

James N. Bowers