National Museum of Nuclear Science & History
J. R. Evans worked for the William A. Pope Company.
Charles O. Saunders served in the 509th Headquarters.
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.
Gast worked at the 300 Area at Hanford during the Manhattan Project.