National Museum of Nuclear Science & History
D. W. McLean worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Enrico Fermi (1901-1954) was an Italian physicist and recipient of the 1938 Nobel Prize in Physics. In 1942, Fermi relocated to the Chicago Met Lab, where he built an experimental reactor pile under Stagg Field at the University of Chicago.
Harry worked at Los Alamos during the Manhattan Project.