(20th Century-Fox, 1952). Cary Grant plays absent-minded chemist Dr. Barnaby Fulton whose lab chimp accidentally concocts an elixir of youth. Starts at 7:30 p.m. Free, at the Library of Congress Packard Campus Theater located at 19053 Mt. Pony Rd. in Culpeper, VA. No reservations required. For more information, call 202-707-9994.