National Museum of Nuclear Science & History
N. A. Powell worked for the Kellex Corporation at the K-25 Plant.
J. H. Seivers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harry Palevsky (1919-1990) was an American engineer. A Chicago native, Palevsky began his work on the Manhattan Project at the University of Chicago Metallurgical Laboratory shortly after finishing his undergraduate career at Northwestern University.
