National Museum of Nuclear Science & History
Perry worked in the 200 West Area at Hanford during the Manhattan Project.
Robert R. Hayes served in the 320th Troop Carrier Squadron.
Robert Coyle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Winkelman worked for Stone and Webster Engineering Corporation.
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.