National Museum of Nuclear Science & History
Eric Smith worked for the Kellex Corporation at the K-25 Plant.
Robert H. Pratt Jr. served in the 393rd Bombardment Squadron.
Alfred Hanson (1914-2005) was an American physicist. Alfred Hanson came to the Manhattan Project from the University of Wisconsin where he had recently completed his doctoral work, studying the Van de Graaf “long tank” accelerator.
W. H. Longtin worked for the United States Engineer District Office.
