National Museum of Nuclear Science & History
E. F. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lewin worked in the 100 D Area at Hanford during the Manhattan Project.
Davis Black worked for the Kellex Corporation at the K-25 Plant.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
