National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Raper worked for Clinton Laboratories at the X-10 Reactor.
Matthew W. Huddleston served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
Rene Prestwood was an American nuclear chemist. Prestwood was recruited for the Manhattan Project as a young chemist from the University of California-Berkeley.