National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
C. H. Smith worked for the J.A. Jones Construction Company.
Lawrence Litz was a young physicist when he began working on radioactivity at the Metallurgical Laboratory at the University of Chicago.
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.