National Museum of Nuclear Science & History
Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Elvin Krieble worked for the United States Engineer District Office.
John J. Kroes served in the 1st Ordnance Squadron.
Edwin McMillan (1907-1991) was an American physicist and winner of the 1951 Nobel Prize in Chemistry.