Author and associate professor, Samuel T. Wilkinson, discusses his book “Purpose: What Evolution and Human Nature Imply about the Meaning of Our Existence.” By using principles from a variety of scientific disciplines, Samuel provides a framework for human evolution that reveals an overarching purpose to our existence. Get the book here: https://goo.gle/49oNAs2. Samuel T. Wilkinson is Associate Professor of Psychiatry at Yale University, where he also serves as Associate Director of the Yale Depression Research Program. He received his MD from Johns Hopkins School of Medicine. His articles have been featured in the New York Times, The Washington Post, and The Wall Street Journal. He has been the recipient of many awards, including Top Advancements & Breakthroughs from the Brain and Behavior Research Foundation; Top Ten Psychiatry Papers by the New England Journal of Medicine, the Samuel Novey Writing Prize in Psychological Medicine (Johns Hopkins); the Thomas Detre Award (Yale University); and the Seymour Lustman Award (Yale University). Moderated by Cristina Bahamonde Castro.