National Museum of Nuclear Science & History
Howard Doyle 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.
Alberto Alarid was a truck driver who worked at Los Alamos from 1943 until 1966.
C. Heim worked for the Watson-Flagg Engineering Company.
Rapier worked at the 200 West area at Hanford during the Manhattan Project.