sentences:  He began making films about the anti-war movement, including "March on Washington", "DC III" (about Vietnam Veterans Against the War), and "Year of the Tiger" (filmed in Vietnam).From 1970 to 1973, he worked at the State University of New York College at Old Westbury, then an experimental college on Long Island; he began as assistant to the school's president and subsequently became a lecturer in the American Studies program.Talbot's first appearance as Gilbert on "Leave It to Beaver" was in a 1959 episode called "Beaver and Gilbert", where he plays an insecure new kid in town who is prone to telling tall tales.