National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
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.
C. F. Mims worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clifton worked at Los Alamos during the Manhattan Project.
