National Museum of Nuclear Science & History
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Leon Cooper served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Next Objective.
Robert R. Clifton served in the 603rd Air Engineering Squadron.
Nix worked at the 200 West Area at Hanford during the Manhattan Project.