National Museum of Nuclear Science & History
W. H. Ray worked for Clinton Laboratories at the X-10 Reactor.
James Osborn was a member of the Special Engineering Detachment at Los Alamos.
Alan E. Florin was a research associate in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
