David M. Raup is a University of Chicago paleontologist. Raup studied the fossil record and the diversity of life on Earth. Raup contributed to the knowledge of extinction events along with his colleague Jack Sepkoski. They suggested that the extinction of dinosaurs 65 mya was part of a cycle of mass extinctions that may have occurred every 26 million years.
Read more about David M. Raup: Selected Publications
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“It requires more than a day’s devotion to know and to possess the wealth of a day.”
—Henry David Thoreau (1817–1862)