Complex sentence: Vincent Canby (July 27,1924--October 15,2000) was an American film critic who became the chief film critic for "The New York Times" in 1969 and reviewed more than 1000 films during his tenure there.
Split into simpler sentences: Vincent Canby (July 27,1924--October 15,2000) was an American film critic. He became the chief film critic for "The New York Times" in 1969 and reviewed more than 1000 films during his tenure there.