Leonard Bernstein was an American composer, conductor, author, music lecturer, and pianist. He was among the first conductors born and educated in the U.S. to receive worldwide acclaim. He was a visiting lecture at Brandeis University from 1951 to 1956. In 1952, he founded the Creative Arts Festival. Bernstein announced his retirement in 1990 from conducting. Five days later he died of a heart attack in his apartment.