National Museum of Nuclear Science & History
D. I. Nicholson worked for the United States Engineer District Office.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.
Jimmy Vale joined the Manhattan Project in 1943, where he helped operate calutrons as part of Ernest O.
