National Museum of Nuclear Science & History
Stanley Liebert was a machinist in the SAM Laboratory at Columbia University between 1944 and 1945.
J. J. Morrissey worked for the United States Engineer District Office.
Mark W. Luckett worked for the Fercleve Corporation at the S-50 Thermal Diffusion Plant at Oak Ridge in 1945.
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
