National Museum of Nuclear Science & History
Arthur Watmough was an electrical engineer working for the DuPont Chamberworks Company in New Jersey from 1941 to 1947.
Louis Oblich served in the Army at Los Alamos during the Manhattan Project.
Nelson Smith worked for the United States Engineer District Office.
E. P. Carmichael worked for the Tennessee Eastman Corporation at the Y-12 Plant.
