National Museum of Nuclear Science & History
Haught worked at the 200 West Area at Hanford during the Manhattan Project.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Pern J. Chaussy served in the 1st Ordnance Squadron.
Lawrence Thomas Abraham was a contractor who served as the construction superintendent at Los Alamos during the Manhattan Project.