National Museum of Nuclear Science & History
E. A. Kehtel worked for the J.A. Jones Construction Company.
Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold Knisley served as a private first class in the 393rd Bomb Squadron in the 509th Composite Group as an aircraft mechanic.
John Manthey worked for the United States Engineer District Office.
