National Museum of Nuclear Science & History
James Runyan was a staff worker at Los Alamos 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.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
John Manthey worked for the United States Engineer District Office.