National Museum of Nuclear Science & History
James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Major Frank Salfingere served in the Army at Los Alamos during the Manhattan Project.
N. D. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Allen A. Birkenkamp served in the 1st Ordnance Squadron.
