born May 4, 1907, Rochester, N.Y., U.S.
died Jan. 5, 1996, New York, N.Y.
U.S. dance authority, impresario, and writer.
He graduated from Harvard, where he founded the literary magazine Hound & Horn . Financially independent, he focused his artistic interests on ballet and in 1933 persuaded the choreographer New York City Ballet (1948), of which he served as general director until 1989. He wrote seven books on ballet, including the classic history Dance (1935).