National Museum of Nuclear Science & History
Gordon Fielden 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.
Herbert R. Anderson was a staff member at Los Alamos during the Manhattan Project.