National Museum of Nuclear Science & History
George Hanley worked for Hanley & Company.
Duke worked for Stone and Webster Engineering Corporation.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph A. Wisnewski served in the First Ordnance Squadron.
Thomas O. Jones volunteered to join the Army before the start of WWII. As the war began to unfold in Europe, Jones was placed in a sub-organization of the Army called the Counterintelligence Corps.