National Museum of Nuclear Science & History
Hart worked for Stone and Webster Engineering Corporation.
James H. Payne served in the 1st Ordnance Squadron.
Roscoe Charles Wilson was a United States Army Air Forces Officer. At the rank of Colonel he was the overall Project Office to the Manhattan Engineering District from June 1943 to December 1944.
M. A. Richtmyer worked for the Tennessee Eastman Corporation at the Y-12 Plant.