Lewis Jacobs, a retired film teacher and critic, died Feb. 11 of natural causes at North Shore U. Hospital in Manhasset, Long Island. He was 93.Jacobs taught film courses at the City College of New York, the New School for Social Research, the Philadelphia College of Art and the Graduate School of New York U. An author of over 50 articles, he was the founder of Experimental Cinema, a magazine devoted to film as art. In 1939, Jacobs’ history of American cinema, “The Rise of the American Film,” was published. He also edited such volumes as “The Introduction of Art to Movies” and “The Emergence of Film Art.” He is survived by his wife of 62 years, Lillian, as well as two daughters, four grandchildren and three half-sisters.