National Museum of Nuclear Science & History
Stanley Anhalt was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
James C. Hobbs was an American inventor and engineer who created a key part of the valves used in the K-25 gaseous diffusion plant in Oak Ridge, TN.
Dana Mitchell was an American physicist. He was in charge of procurement for the physics department at Columbia University during the first year of the Manhattan Project.
R. A. Thompson worked for Hanley & Company.