National Museum of Nuclear Science & History
Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
Russell D. Carrigan served as a staff sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Some Punkins.
M. R. Pierce worked for the Kellex Corporation at the K-25 Plant.