National Museum of Nuclear Science & History
A. A. Nickman worked for the Kellex Corporation at the K-25 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.
Livermore worked in the 200 E Area at Hanford during the Manhattan Project.
Floyd Wilson Scutt worked for the Tennessee Eastman Corporation at the Y-12 Plant.