HENRY B. BILLER is Professor of Psychology at the University of Rhode Island, where he has taught since 1970. He is a consulting editor to Archives of Sexual Behavior and Sex Roles and is a fellow of the American Psychological Association and the American Psychological Society. He has contributed to Annual Progress in Child Psychiatry and Child-Development and The Handbook of Developmental Psychology, and he is the author and co-author of eight books including Father Power and Child Maltreatment and Paternal Deprivation. A developmental clinical psychologist, he has worked with a variety of human service organizations serving parents and children.