Donald R. Prothero has taught paleontology and geology for almost four decades. He is adjunct professor of geological sciences at California State Polytechnic University in Pomona, adjunct professor of geology at Pierce College, and research associate in vertebrate paleontology at the Natural History Museum of Los Angeles County. His Columbia University Press books include Bringing Fossils to Life: An Introduction to Paleobiology (third edition, 2013); The Story of Life in 25 Fossils: Tales of Intrepid Fossil Hunters and the Wonders of Evolution (2015); and Evolution: What the Fossils Say and Why It Matters (second edition, 2017).