Carnal Knowledge is a 1971 American comedy-drama film directed by Mike Nichols and written by Jules Feiffer. It stars Jack Nicholson, Candice Bergen, Art Garfunkel, and Ann-Margret, with Rita Moreno and Cynthia O'Neal. From Wikipedia
Feiffer, known for his incisive political cartoons, plays, and children’s books, leaves behind a legacy spanning over seven decades.