The late Lloyd Motz, Professor Emeritus of Astronomy at Columbia University, and the late broadcaster Hugh Downs discuss Motz’s life and work, including his book "The Essentials of Astronomy," which is arguably the best introductory astronomy text ever written. Downs is a former student who took astronomy at Columbia in 1957, and Dr. Motz was named professor emeritus in 1977. It was originally recorded in 1999.
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