National Museum of Nuclear Science & History
Rufus Addison worked for the Edenfield Electric Company.
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.
J. D. Ellett worked at the 200 West Area at Hanford during the Manhattan Project.