National Museum of Nuclear Science & History
Jas C. Deane worked for the Fercleve Corporation.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
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.
Winston Grice was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.