National Museum of Nuclear Science & History
D. A. Parker worked for the Edenfield Electric Company.
Elrod worked for Stone and Webster Engineering Corporation.
Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. L. Larson worked for Clinton Laboratories at the X-10 Reactor.
Margaret Schelberg was a nurse at Los Alamos during the Manhattan Project. She was married to physicist Arthur Schelberg.
