National Museum of Nuclear Science & History
Breyer worked in the United States Engineer District Office.
Charles W. Sweeney served as a major in the 393rd Bombardment Squadron. He was regularly assigned to the Great Artiste as the aircraft commander and participated in the mission to bomb Hiroshima as co-pilot of the Great Artiste.
Pierce worked for Stone and Webster Engineering Corporation.
J. B. Kaiser worked for the Midwest Piping and Supply Company.
