National Museum of Nuclear Science & History
Ruth Langley worked for the United States Engineer District Office.
Hart worked in the United States Engineer District Office.
Curtis T. Barker served in the 1st Ordnance Squadron.
M. O. Swanson 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.
