National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Louis Schaffer served in the 1395 Military Aviation Group.
F. A. Wallin worked for the Kellex Corporation at the K-25 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.
