National Museum of Nuclear Science & History
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
Charles E. Schwab served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.
Jas Penny, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Dam worked for Clinton Laboratories at the X-10 Reactor.
R. H. Cook worked for Clinton Laboratories at the X-10 Reactor.