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.
William Cowart was a design engineer with the Special Engineering Detachment for the Manhattan Project at Los Alamos, New Mexico.
Jack Mullins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
