National Museum of Nuclear Science & History
Hillard Staley worked for the Roane-Anderson Company.
Henry Faul was a geologist working on Enrico Fermi's team at the University of Chicago. He was responsible for prospecting uranium ore in Colorado and Utah.
William Karush (1917-1997) was an American mathematician and physicist. After earning his Ph.D. from the University of Chicago in 1942, Karush worked briefly at the Carnegie Institution of Washington before returning to Chicago to join the Manhattan Project.
Robert Paulsen was a laboratory helper at the Chicago Met Lab.