National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
A. H. Barrett worked for the Kellex Corporation at the K-25 Plant.
Roger J. Ellis served in the 603rd Air Engineering Squadron.
Winfield C. Kinkade served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.
