National Museum of Nuclear Science & History
G. M. Shifley worked for the J.A. Jones Construction Company.
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
J. P. Hogan worked for Hanley & Company.
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.