Susan Krauss Whitbourne is a Professor of Psychology at the University of Massachusetts Amherst. She is the author of numerous publications including Adult Development and Aging: Biopsychosocial Perspectives (4th ed., Wiley, 2011, with S. B. Whitbourne), Abnormal Psychology: Clinical Perspectives on Psychological Disorders (6th ed., with R. P. Halgin, 2009), and The Search for Fulfillment (2010).
Martin J. Sliwinski is a Professor of Human Development and Family Studies and director of the Center for Healthy Aging at The Pennsylvania State University. He has written extensively on the relationship of stress and disease to health, emotional well-being, and cognitive function across the adult lifespan.