National Museum of Nuclear Science & History
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.
Conrad worked in the United States Engineer District Office.
Herbert E. Kubitschek (1920-1989) was an American biologist and physicist. He studied under Enrico Fermi at the University of Chicago and was present when Chicago Pile-1, the world’s first self-sustained nuclear chain reaction, went critical on December 2, 1942.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
