National Museum of Nuclear Science & History
F. P. Fink worked for the Watson-Flagg Engineering Company.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended Washington and Jefferson College.
Del Genio worked in the United States Engineer District Office.
Richard “Dick” H. Nelson served as a private first class in the 509th Composite Group. He was the radio operator on the Enola Gay during its mission to Hiroshima.