National Museum of Nuclear Science & History
J. J. Maroone worked for the Union Carbide & Carbon Corporation.
McCampbell worked for Stone and Webster Engineering Corporation.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
R. E. Breathitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
