National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
G. W. Richards Jr. served in the 509th Headquarters.
Edward T. Esten served in the 1st Ordnance Squadron.
William Karush (1917-1997) was an American mathematician and physicist. After earning his Ph.D. from the University of Chicago in 1942, Karush worked briefly at the Carnegie Institution of Washington before returning to Chicago to join the Manhattan Project.
