National Museum of Nuclear Science & History
W. C. Marr worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fred H. Greene was an engineer who worked on the K-25 Plant in Oak Ridge, TN, for Union Carbide and Carbon.
Harold Ninger was a staff worker at Los Alamos during the Manhattan Project.
Zellers worked at the 300 Area at Hanford during the Manhattan Project.
W. G. Roman worked for the Tennessee Eastman Corporation at the Y-12 Plant.