National Museum of Nuclear Science & History
Philip Vincent was a research associate at the Chicago Met Lab during the Manhattan Project.
Frank Alexander worked for Clinton Laboratories at the X-10 Reactor.
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.
S. W. Crocker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
