National Museum of Nuclear Science & History
C. W. Schersten worked for Clinton Laboratories at the X-10 Reactor.
Johnson worked for Stone and Webster Engineering Corporation.
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.
Dick Kosh was an American physicist. He worked at the Los Alamos site during the war, arriving from the University of Wisconsin, Madison, and then stayed afterwards.
