National Museum of Nuclear Science & History
W. Smith worked for the Edenfield Electric Company.
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.
J. W. Litton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Parsons worked in the 300 Area at Hanford during the Manhattan Project.