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DONALD R. PROTHERO has taught college geology and paleontology for 33 years at institutions including the California Institute of Technology and Columbia , Pierce, Occidental, Knox, and Vassar Colleges. He is the author of more that 35 books (including five geology textbooks) and over 250 scientific papers. He is a Fellow of the Geological Society of America, the Paleontological Society, the Linnean Society of London, and in 1988 he was a Guggenheim Fellow. In 1991, he received the Charles Schuchert Award of the Paleontological Society for the outstanding paleontologist under the age of 40. ...

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