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.
Duren Howard Shields was a staff worker at Los Alamos during the Manhattan Project. During his time there, he worked on building the experimental casing for the bomb.
