National Museum of Nuclear Science & History
Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.
Sarah Bailey was very young when she went to work at the K-25 plant in Oak Ridge. She was employed by Carbide & Carbon Chemicals Corporation, a contractor in the gaseous diffusion operation, in 1945.
