National Museum of Nuclear Science & History
Charles Weymouth worked for the United States Engineer District Office.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
P. R. Payne worked for the Roane-Anderson Company.
Gordon Waters was a staff worker at Los Alamos during the Manhattan Project.
H. R. Pancoast worked for the Comstock-Bryant Electric Company.
