National Museum of Nuclear Science & History
Paul Langguth worked for the United States Engineer District Office.
Warren L. Coble served as a sergeant in the 393rd Bombardment Squadron. Coble was regularly assigned as a radio operator in the Up An’ Atom, but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.