National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Jones worked at the 100-F Area at Hanford during the Manhattan Project.
Klaus Fuchs (1911-1988) was a German theoretical physicist and spy who worked at Los Alamos during the Manhattan Project and passed atomic secrets to the Soviet Union.
John Raper worked for Clinton Laboratories at the X-10 Reactor.