National Museum of Nuclear Science & History
John Luttrell worked for the United States Engineer District Office.
Gawthrop worked at the 300 Area at Hanford during the Manhattan Project.
David H. Frisch was an American physicist. He worked on the Manhattan Project at Los Alamos, working with the Van de Graaff long tank accelerator to measure neutron cross sections.
R. D. Campbell worked for the Tennessee Eastman Corporation at the Y-12 Plant.