Classical conductor who appeared in Walt Disney's "Fantasia" from 1940. He conducted the original version of "Boris Godunov" by Mussorgky from 1929 and introduced American audiences to Stravinsky's score for "The Rite of Spring" in 1922.
He was one of the youngest students at the Royal College of Music when he enrolled at 13.
He founded the All-American Youth Orchestra, the New York City Symphony, and the famous Hollywood Bowl Symphony Orchestra.
He and Keith Lockhart both became renowned orchestral conductors.