National Museum of Nuclear Science & History
H. B. Smith worked for the United States Engineer District Office.
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
Frank Oppenheimer (1912-1985) was an American particle physicist. In 1941, Oppenheimer began work at the University of California Radiation Laboratory, where he was a group leader in uranium isotope separation under Ernest Lawrence.
E. W. McConnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
