National Museum of Nuclear Science & History
Thomas S. Grennan served as a 2nd lieutenant in the 393rd Bombardment Squadron.
Mary Tinsley was a laboratory techinician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Clyde R. Emery worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
