National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
Steven Hailey worked for the Roane-Anderson 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.
F. G. Rehm worked for Clinton Laboratories at the X-10 Reactor.