National Museum of Nuclear Science & History
Bradford worked in the United States Engineer District Office.
Jacob Beser served as a 1st lieutenant in the 393rd Bombardment Squadron’s Radar Section. He was the radar specialist aboard the Enola Gay bombing mission to Hiroshima and on Bockscar during the Nagasaki mission.
Smith worked at the 200 East Area at Hanford during the Manhattan Project.
John H. Petroski served in the 603rd Air Engineering Squadron.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
