National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
H. G. Singleton worked for the Roane-Anderson Company.
R. J. Rockstron worked for the United States Engineer District Office.
Jack J. Coppola served in the 393rd Bombardment Squadron.
Edmund S. Byczynski served in the 393rd Bombardment Squadron.
