National Museum of Nuclear Science & History
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.
Cash worked as an operator at the Y-12 plant at Oak Ridge during the Manhattan Project.
Charles D. Coryell (1912-1971) was an American chemist. In 1942 Coryell left MIT and became Chief of the Fission Products Section of the Manhattan Project.