National Museum of Nuclear Science & History
W. A. Chalkley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Cloud worked for Stone and Webster Engineering Corporation.
Stanley A. Kiedrowski served as a sergeant in the 393rd Bombardment Squadron.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.