Douglas J. Emlen is a professor at the University of Montana. He is the recipient of the Presidential Early Career Award in Science and Engineering from the Office of Science and Technology Policy at the White House, multiple research awards from the National Science Foundation, including their five-year CAREER award, and a Young Investigator Prize and the E. O. Wilson Naturalist Award from the American Society of Naturalists. His is the author of Animal Weapons: The Evolution of Battle and co-author with Carl Zimmer of Evolution: Making Sense of Life. His research has been featured in outlets including the New York Times and National Public Radio’s Fresh Air and Science Friday.