National Museum of Nuclear Science & History
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.
Collins worked at the 300 Area at Hanford during the Manhattan Project.
Trevor Cuykendall was an American physicist. A pioneer in engineering physics, he worked on the Manhattan Project at Los Alamos.
E. J. Bruckenheimer worked for the Fercleve Corporation.