National Museum of Nuclear Science & History
W. J. Jackson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
Pierce worked for Stone and Webster Engineering Corporation.
Garner worked for Stone and Webster Engineering Corporation.