National Museum of Nuclear Science & History
A. J. Schwertfeger worked for Clinton Laboratories at the X-10 Reactor.
R. H. Snyder worked for the Fercleve Corporation.
H. T. Dumbell worked for the Edenfield Electric Company.
John Henry Manley (1907-1990) was an American physicist. Manley worked on the Manhattan Project almost from its beginning, starting at the Metallurgical Lab at the University of Chicago.
William Bunnell served at Los Alamos after the war from 1946 to 1948. He was a security guard and a member of the Military Police located at Los Alamos.