National Museum of Nuclear Science & History
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Homer Howell worked for Clinton Laboratories at the X-10 Reactor.
Buettner worked in the United States Engineer District.
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.
Gebhardt worked for Stone and Webster Engineering Corporation.