National Museum of Nuclear Science & History
Fred Vogel was an American chemical engineer who worked at Los Alamos during the Manhattan Project. Vogel studied at Lehigh University in Pennsylvania and later worked as Chief Engineer for the Cornell Machine Company and for the Centaur Machine Company.
Madeleine Sciofo was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Frank Alexander worked for Clinton Laboratories at the X-10 Reactor.
A. M. Hartman worked for the Roane-Anderson Company.