National Museum of Nuclear Science & History
R. F. Maness worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Earl Spring was a staff worker at Los Alamos during the Manhattan Project.
Hubbard worked for Stone and Webster Engineering Corporation.
C. Cooper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.