Leonard Bernstein was a renowned American composer, conductor, and pianist. He is best known for his long tenure as the music director of the New York Philharmonic from 1958 to 1969. He was also the first American-born conductor to lead a major orchestra in the United States. Bernstein was a prolific composer, writing works for the concert hall, stage, and screen. He was also an influential teacher, giving lectures and master classes around the world. Bernstein's legacy lives on through his many recordings, compositions, and performances.