Justin Martin is a graduate student in the Department of Psychology at Harvard University. His research focuses on morality, and in particular the cognitive and neural bases of punishment judgments, as well as their ultimate evolutionary functions. Fiery Cushman is Assistant Professor of Psychology at Harvard University, where he directs the Moral Psychology Research Laboratory. He received his BA and PhD from Harvard University, where he also completed a post-doctoral fellowship, and he served as Assistant Professor of Cognitive, Linguistic and Psychological Sciences at Brown University from 2011 to 2014.