Edward E. Smith earned his Ph.D. from University of Michigan where he now is a Distinguished University Professor of Psychology. He has authored ten books and 150 research articles. His research focuses on semantic memory, working memory, and reasoning. For the past ten years he has been studying these topics using neuroimaging as well as behavioral techniques. He is a member of the National Academy of Sciences and has been awarded the highest research awards from both APA and APS. Earlier in his career, he taught the introductory psychology course at Stanford University, where he won an outstanding teaching award.
Susan Nolen-Hoeksema, Ph.D. who died unexpectedly in January 2013 was Professor of Psychology at Yale University. She received her B.A. in psychology from Yale University and her Ph.D. in clinical psychology from University of Pennsylvania. Nolen-Hoeksema's research focuses on women's greater rates of depression compared to men and on the effects of rumination in depression. In addition to her peer-reviewed journal articles, she has published 12 books, including scholarly books, textbooks and books for lay audiences. Nolen-Hoeksema has won three major teaching awards and several awards for her research, including the David Shakow Early Career Award from the American Psychological Association (APA), the Leadership Award from the Committee on Women of the APA, and a Research Career Award from the National Institute for Mental Health.