National Museum of Nuclear Science & History
Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.
Joe Muskin worked for the Roane-Anderson Company.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Karl Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
