As a professor, Diane E. Papalia has taught thousands of undergraduates at the University of Wisconsin-Madison. She received her bachelors degree, majoring in psychology, from Vassar College and both her masters degree in child development and family relations and her Ph.D. in life-span developmental psychology from West Virginia University. She has published numerous articles in such professional journals as Human Development, International Journal of Aging and Human Development, Sex Roles, Journal of Experimental Child Psychology and Journal of Gerontology. Most of these papers have dealt with her major research focus, cognitive development from childhood through old age. Dr. Sterns received his Ph.D. in Life-Span Developmental Psychology from West Virginia University in 1971. His major areas of interest include industrial gerontology, life-span development, training and career development. He is Director of the Institute for Life- Span Development and Gerontology. Courses typically taught include psychology of adulthood and aging, industrial/gerontological psychology, and undergraduate psychology courses. His publications have appeared in many gerontology journals including Experimental Aging Research, The Counseling Psychologist, Journal of Gerontology, Generations, Journal of Applied Gerontology. He has served on the editorial board of Psychology and Aging, The Gerontologist, and Journal of Women and Aging and serves on the editorial boards of Experimental Aging Research and Research on Aging. He is a Fellow of the American Psychology Association, Gerontological Society of America and the American Psychological Society. Current research includes training of adult and older adult workers, personality factors, and retirement adjustment and satisfaction, as well as personality factors in housing choices in retirement. Other research includes alcohol treatment and aging, and life planning issues for older adults with mental retardation. Ruth Duskin Feldman is an award-winning writer and educator. With Diane E. Papalia and Sally Wendkos Olds, she coauthored the fourth and the seventh through the twelfth editions of Human Development and the eighth through the twelfth editions of A Child's World. She also is coauthor, with Dr. Papalia, Harvey Sterns and Cameron J. Camp, of Adult Development and Aging. A former teacher, she has developed educational materials for all levels from elementary school through college and has prepared ancillaries to accompany the Papalia-Olds books. She is author or coauthor of four books addressed to general readers, including Whatever Happened to the Quiz Kids? Perils and Profits of Growing Up Gifted. She has written for numerous newspapers and magazines and has lectured extensively and made national and local media appearances throughout the United States on education and gifted children. She received her bachelor's degree from Northwestern University, where she was graduated with highest distinction and was elected to Phi Beta Kappa.