National Museum of Nuclear Science & History
R. W. McElwee worked for the Union Carbide & Carbon Corporation.
Graf worked at the 300 Area at Hanford during the Manhattan Project.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
P. C. Dabbs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
