National Museum of Nuclear Science & History
Hannoch worked in the United States Engineer District Office.
McGruder worked for Stone and Webster Engineering Corporation.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
James R. Corliss served as a technical sergeant in the 393rd Bombardment Squadron. He was regularly assigned to work as a flight engineer on the Up An’ Atom but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.
