National Museum of Nuclear Science & History
Lee Warren worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Madeline Sohn was a research assistant in the chemistry division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lewis worked for Stone and Webster Engineering Corporation.
Rose Pingel was a staff worker at Los Alamos during the Manhattan Project.
E. W. Smith worked for the Union Carbide & Carbon Corporation.