National Museum of Nuclear Science & History
John Dillon worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bowen worked at the 100-B Area at Hanford during the Manhattan Project.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Markle worked for Stone and Webster Engineering Corporation.
George L. Brabenec was a master sergeant in the 393rd Bombardment Squadron. He served as the flight engineer of the Necessary Evil, but flew in the Big Stink during the Nagasaki mission.
