Toni Antonucci, PhD, Associate Dean for Academic Initiatives and Interdisciplinary Studies, Elizabeth M. Douvan Collegiate Professor of Psychology and Senior Research Scientist, Institute for Social Research Life Course Development Program, University of Michigan. Dr. Antonucci's contributions to professional journals and as a chapter author are too numerous to cite. She has been honored as the President of the Society for the Study of Human Development; International Assoc. of Gerontology and Geriatrics, Scientific Committee; Past-President of Adult Development and Aging, Division 20 of Ameri...