National Museum of Nuclear Science & History
Phil Gardner was senior labor recruitment supervisor for the Hanford site. Although he was first an employee of the DuPont Company, he worked under the direction of the War Manpower Commission and his tasks were assigned according to the needs of the War Department.
William Sehenk worked on procurement and property at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ralph Nobles was one of three brothers to work on the Manhattan Project. He and his brother William worked at Los Alamos, while brother Robert was at the University of Chicago’s Metallurgical Laboratory.