National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Williams Helps worked for the Tennessee Eastman Corporation at the Y-12 Plant.
E. J. Brenneis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.