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Author Profile
Caleb Scharf
Caleb Asa Scharf is a British-American astronomer and popular science author. He is currently the senior scientist for astrobiology at the NASA Ames Research Center in Mountain View, California. He formerly served as the director of the multidisciplinary Columbia Astrobiology Center at Columbia Univ... Read more on Wikipedia →
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The Ascent of InformationView Book →1 expert recommendation