National Museum of Nuclear Science & History
N. A. Powell worked for the Kellex Corporation at the K-25 Plant.
Leslie Seward worked for the United States Engineer District Office.
Warren L. Coble served as a sergeant in the 393rd Bombardment Squadron. Coble was regularly assigned as a radio operator in the Up An’ Atom, but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.