Nuclear Students Begin Their Training At Argonne National Laboratory In Chicago: The Students are shown as they were taken on a preliminary tour of the reactor area at Argonne National Laboratory.Forty scientists and engineers from 19 nations of the world and nine from the United States are now attending classes at the new school of Nuclear Science and Engineering in the United States. The school is located at the Argonne National Laboratory, near Chicago, Illinois and is operated by the University of Chicago for the U.S. Atomic Energy Commission. July 21, 1955.