National Museum of Nuclear Science & History
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
James H. Coon was an American physicist. He worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory and at Los Alamos.
Ted Stellmack was a member of the Military Police at Los Alamos. Stellmack graduated high school in June 1945 and was recruited by the Army soon thereafter.