National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Tony Padilla was a staff worker at Los Alamos during the Manhattan Project.
C. A. Babcock worked for the Union Carbide & Carbon Corporation.
Harris Small was stationed in Oak Ridge, Tennessee, in the Special Engineer Department (SED). He served as a supervising civilian operator of shifts (the Calutron girls) at the Y-12 Electromagnetic Separation Plant.