National Museum of Nuclear Science & History
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. H. Dunigan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Wright worked at the 100-F Area at Hanford during the Manhattan Project.
Harry N. Barnard served in the 320th Troop Carrier Squadron.
