National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
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.
Harvey J. Crow served in the 603rd Air Engineering Squadron.
Frederick E. Brown served as a sergeant in the 393rd Bombardment Squadron. He was the assistant engineer/scanner regularly assigned to the B-29 Some Punkins.
