National Museum of Nuclear Science & History
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.
Charles Sullivan served in the First Ordnance Squadron.
Sergeant Ralph Belanger was an Assistant Flight Engineer assigned to the Bockscar’s original crew.