National Museum of Nuclear Science & History
Herman Craft worked for the Tennessee Eastman Corporation at the Y-12 Plant.
B. P. Gump worked for the Roane-Anderson Company.
E. M. Pownall worked for the Edenfield Electric Company.
R. F. Ridgeway worked for the Roane-Anderson Company.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.