National Museum of Nuclear Science & History
O. A. Kincaid worked for the J.A. Jones Construction Company.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph Lyford worked for the Kellex Corporation at the K-25 Plant.
L. F. Mayer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
