National Museum of Nuclear Science & History
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.
Kirk worked in the 300 Area at Hanford during the Manhattan Project.
Melvin L. Dietrich worked as a welder and electrician in a number of facilities across the Oak Ridge, Tennessee facility.
M. C. Labarr worked for the Kellex Corporation at the K-25 Plant.