National Museum of Nuclear Science & History
Frank Pratt worked for the J.A. Jones Construction Company.
Josephine Redenius worked for the United States Engineer District Office.
John Milham worked for the H. K. Ferguson Company.
Ivan G. McCall served in the 390th Air Service Group.
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.