National Museum of Nuclear Science & History
Jas Welch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joe M. Massengill served in the 603rd Air Engineering Squadron.
John Dam worked for Clinton Laboratories at the X-10 Reactor.
Fred H. Greene was an engineer who worked on the K-25 Plant in Oak Ridge, TN, for Union Carbide and Carbon.
W. T. Sergeant worked for the United States Engineer District Office.