National Museum of Nuclear Science & History
Bales worked for Stone and Webster Engineering Corporation.
Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.
Leonard Simpson served in the 1395th Military Police Aviation.