National Museum of Nuclear Science & History
Warren Johnson worked for Clinton Laboratories at the X-10 Reactor.
Otto Nillige was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jas Howard worked for the United States Engineer District Office.
Dunell Cohn was born in Oak Ridge, Tennessee, in 1944. Cohn’s father, Waldo, was recruited to work on the Manhattan Project in Chicago in 1942 for his work on radioisotopes at Berkeley and Harvard during the 1930s.
