National Museum of Nuclear Science & History
Johnie Zaring was a staff worker at Los Alamos during the Manhattan project.
R. Althoff worked for the J.A. Jones Construction Company.
N. B. Walsh worked for the United States Engineer District Office.
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.