Carl Sagan (1934-1996) was an American astronomer, astrophysicist, and science communicator. He is best known for his work as a science popularizer and his book "The Demon-Haunted World: Science as a Candle in the Dark." Born in Brooklyn, New York, Sagan grew up with a passion for astronomy. He earned his undergraduate degree from Cornell University and his graduate degree from Columbia University. He became a professor of astronomy at Cornell University, where he taught for over 20 years. Sagan hosted the popular PBS series "Cosmos: A Personal Voyage," which explored the universe and scientific understanding. He was known for making complex scientific concepts accessible to wide audiences. Sagan was an advocate for science and critical thinking, and he wrote extensively on these topics. "The Demon-Haunted World" urges readers to embrace science and reason. He was also a vocal critic of creationism and pseudoscience. He received numerous awards and honors for his contributions to science and science communication.
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