National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
B. N. Stiller worked for the United States Engineer District Office.
William Cowart was a design engineer with the Special Engineering Detachment for the Manhattan Project at Los Alamos, New Mexico.
Gordon Fee is the retired president of Lockheed Martin Energy Systems and the former manager of the Y-12 nuclear weapons plant in Oak Ridge, TN.