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.
John H. Petroski served in the 603rd Air Engineering Squadron.
Kolts worked in the 100 F Area at Hanford during the Manhattan Project.
Albert Pinchot served in the First Ordnance Squadron.
