National Museum of Nuclear Science & History
John Raper worked for Clinton Laboratories at the X-10 Reactor.
John Sommer worked for the Roane-Anderson Company.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
Walter Goodman joined the Special Engineer Detachment at Los Alamos in 1943. Goodman worked as an electrical engineer on the implosion bomb with Manhattan Project scientists Luis Alvarez and Harold Agnew.