National Museum of Nuclear Science & History
Ruby Palen worked for the United States Engineer District Office.
Evelyn Brown was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Frank Osvath was a staff worker at Los Alamos during the Manhattan Project.