National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
S. B. Reed worked for the United States Engineer District Office.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
Samuel Proctor Massie Jr. (1919-2005) was an African American chemist who worked on the Manhattan Project.
