National Museum of Nuclear Science & History
A. F. Aston worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hugh Long worked for the Edenfield Electric Company.
James Jensen was a machinist at Hanford, Washington from September 1944 to the end of the war. Jensen's security clearance allowed him to machine parts and complete various tasks for the maintenance of the nuclear piles.
Milton worked at Los Alamos during the Manhattan Project.