National Museum of Nuclear Science & History
Halbrook worked in the United States Engineer District Office.
Lawrence Kimpton was the Chief Administrative Officer at the University of Chicago Metallurgical Lab, serving there from 1943 to 1945.
Gus Essig began working on the Manhattan Project in May, 1946 in Dayton, Ohio. Essig was selected to work in the highly classified initiator program and spent several months at Los Alamos learning how to design and construct initiators.
Gilbert S. Frese served in the 320th Troop Carrier Squadron.
