National Museum of Nuclear Science & History
John Rogers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
T. H. Dunigan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sir James Chadwick (1891-1974) was an English physicist and winner of the 1935 Nobel Prize in Physics.