National Museum of Nuclear Science & History
Leahy worked for Stone and Webster Engineering Corporation.
Marvin Eaton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
