National Museum of Nuclear Science & History
Irvin F. Poehls served as a technical sergeant in the 390th Air Service Group.
Barger worked in the United States Engineer District Office.
John J. Norton was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Quentin V. Larson was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
