National Museum of Nuclear Science & History
O. T. Sibert worked for Clinton Laboratories at the X-10 Reactor.
Rudolph W. Hogg served in the 1st Ordnance Squadron.
John J. Lesniewski 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 Enola Gay.
Barrett Castle worked for the Tennessee Eastman Corporation at the Y-12 Plant.