This Day in Jewish History Leonard Bernstein's Triumphant Debut

On this day in 1943, Leonard Bernstein, who would become one of the century's most celebrated conductors and composers, made a successful debut with the New York Philharmonic – at the tender age of 25.

On this day in 1943, 25-year-old Leonard Bernstein became an overnight star when he made his conducting debut with the New York Philharmonic, filling in for the ailing Bruno Walter in a concert at Carnegie Hall that was broadcast nationally on radio.