National Museum of Nuclear Science & History
T. O. Dean worked at the 200 East Area at Hanford during the Manhattan Project.
Cofer worked in the United States Engineer District Office.
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.
Robert Rogers was a staff worker at Los Alamos during the Manhattan Project.