Mario Mikulincer, PhD, is Professor of Psychology and Founding Dean of the Baruch Ivcher School of Psychology at Reichman University in Israel. His research interests include attachment processes in adulthood, terror management theory, personality processes in interpersonal relationships, evolutionary psychology, human learned helplessness and depression, trauma and posttraumatic processes, and coping with stress. Dr. Mikulincer is a Fellow of the Association for Psychological Science and the Society for Personality and Social Psychology. He is a recipient of Israel’s EMET Prize for Art, Science, and Culture and of the Berscheid–Hatfield Award for Distinguished Mid-Career Achievement from the International Association for Relationship Research. Phillip R. Shaver, PhD, is Distinguished Professor Emeritus of Psychology at the University of California, Davis. He has published numerous books, including Handbook of Attachment, and over 400 journal articles and book chapters. Dr. Shaver’s research focuses on attachment, human motivation and emotion, close relationships, personality development, and the effects of meditation on behavior and brain. He is a Fellow of the American Psychological Association and the Association for Psychological Science and is past president of the International Association for Relationship Research, from which he received the Distinguished Career Award. He has also received an honorary doctorate from Stockholm University and Distinguished Career Awards from the Society of Experimental Social Psychology and the Society for Personality and Social Psychology. He is an elected member of the American Academy of Arts and Sciences.