Jess Feist is professor in the psychology department at McNeese State University, Lake Charles, Louisiana. Besides coauthoring Theories of Personality, sixth edition, he has coauthored with Linda Brannon, Health Psychology: An Introduction to Behavior and Health, fifth edition. He has an undergraduate degree from St. Mary of the Plains and graduate degrees from Wichita State University and the University of Kansas. His research interest is in early childhood recollections.

Gregory J. Feist is on the Department of Psychology faculty of the University of California at Davis. He has also taught at the College of William & Mary and San Jose State University. He received his PhD in personality psychology in 1991 from the University of California at Berkeley and his undergraduate degree in 1985 from the University of Massachusetts–Amherst. He is widely published in the psychology of creativity, the psychology of science, and the development of scientific talent. His research in creativity has been recognized by an Early Career Award from the Division for Psychology of Aesthetics, Creativity and the Arts (Division 10) of American Psychological Association (APA), and he is currently president-elect of Division 10. His paper (coauthored with Frank Barron) “Predicting creativity from early to late adulthood: Intellect, potential, and personality” won Article of Year for 2003 in Journal of Research in Personality. He is also writing a book entitled Psychology of Science and the Origin of the Scientific Mind to be published by Yale University Press in 2006, and he is on the editorial boards of Review of General Psychology and Bulletin of Psychology and the Arts.