National Museum of Nuclear Science & History
Nelle Gaddy worked for the J.A. Jones Construction Company.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marjorie Hall Bradner was a secretary at Los Alamos during the Manhattan Project. She was also the wife of Los Alamos physicist Hugh Bradner.
Alfred Menzer worked for Clinton Laboratories at the X-10 Reactor.
