Complex sentence: Born in Mount Vernon, New York, Kagan received his B.A. from Harvard University in 1967 and went on to attend the newly formed New York University Graduate Institute of Film & Television was in the first class at the American Film Institute.
Split into simpler sentences: Born in Mount Vernon, New York, Kagan received his B.A. from Harvard University in 1967. He went on to attend the newly formed New York University Graduate Institute of Film & Television and was in the first class at the American Film Institute.