National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
C. M. Cates worked for the Edenfield Electric Company.
Mally worked in the 300 Area at Hanford during the Manhattan Project.
Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sloan worked at the 300 Area at Hanford during the Manhattan Project.