Peter Uhlenberg, PhD, is Professor of Sociology and Fellow of the Carolina Population Center, University of North Carolina, Chapel Hill. He received his PhD from the University of California, Berkeley in 1971. His current research focuses on issues related to age segregation, intergenerational relationships, and population aging. In 2006 he received the Matilda White Riley Distinguished Career Award from the Aging and Life Course Section of the American Sociological Association.