National Museum of Nuclear Science & History
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. G. Piercy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Porter Bone worked for the J.A. Jones Construction Company.
E. C. Dunlop worked at the 100-B Area at Hanford during the Manhattan Project.
