National Museum of Nuclear Science & History
Hester was a staff member at Los Alamos during the Manhattan Project.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Frank S. Brown served in the 1st Ordnance Squadron.
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.
