John DeLamater brings a broad, biopsychosocial perspective to the study of sexuality through the life course. His recent work has focused on changes in sexual functioning associated with age. He has published papers on sexual desire and sexual behavior in persons aged 45 to 75+ and a paper on sexual satisfaction using data from the Wisconsin Longitudinal Study (ages 62-67). His recent work considers influences on frequency of sexual activity and cessation of sexual activity among persons 57 to 85. A major review and synthesis of research on sexuality in later life appears in the Annual Review of Sex Research, 2012. He co-edited Sex for Life: From virginity to Viagra, how sexuality changes throughout our lives, NYU press. DeLamater was awarded the Alfred E. Kinsey Award for Distinguished Contributions to the field of sex research by the Society for the Scientific Study of Sexuality. He is the co-author of a primary text in social psychology and another on sexuality.