Ross D. E. MacPhee is a paleomammalogist with the American Museum of Natural History in New York City, where he has worked since 1988. He has conducted more than fifty expeditions in many parts of the world, including both polar regions. In addition to numerous scientific papers, he is the author of Race to the End: Amundsen, Scott, and the Attainment of the South Pole (2010) and the editor of Extinctions in Near Time: Causes, Contexts, and Consequences (1999).