National Museum of Nuclear Science & History
F. E. Bush worked for the Union Carbide & Carbon Corporation.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
Louis Oblich served in the Army at Los Alamos during the Manhattan Project.
Howard “Howie” Wilcox was an American physicist. He studied at the University of Minnesota and was a teaching fellow at Harvard when he was recruited to work on the Manhattan Project at Los Alamos.