National Museum of Nuclear Science & History
R. H. Elder worked for the Edenfield Electric Company.
Walker worked at the 100-F Area at Hanford during the Manhattan Project.
Marvin D. Cooke worked for the J.A. Jones Construction Company.
L. L. Larson worked for Clinton Laboratories at the X-10 Reactor.
Robert Hobart worked for the United States Engineer District Office.
