National Museum of Nuclear Science & History
Leinberger worked in the 200 W Area at Hanford during the Manhattan Project.
Paul W. Gruning served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier on the B-29 Jabit III on the Hiroshima mission.
Although the flow of information about the Manhattan Project was tightly controlled, New York Times reporter William L.