National Museum of Nuclear Science & History
George F. Popp served in the 603rd Air Engineering Squadron.
John D. Kuharek served as a master sergeant in the 393rd Bombardment Squadron. He was assigned to the Great Artiste as a flight engineer and flew in the mission to Hiroshima.
Major John A. Derry was a top military assistant, mainly working in Washington D.C., during the Manhattan Project.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
