National Museum of Nuclear Science & History
Claude C. Gilliam served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 The Great Artiste.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thomas Little was a millwright for the civilian contractor Tennessee Eastman Company from 1944 to 1946.
George Placzek was a Czech physicist. He was born in Brno, Moravia, which was then part of Austria-Hungary but today is in the Czech Republic.