Bachelor, Reed College, 1963. Master of Arts, University of California-Berkeley, 1967. Doctor of Philosophy, Harvard University, 1971.
Postdoctoral fellow National Demographic Institute, Paris, 1970-1971.
Assistant professor to professor University of Michigan, Ann Arbor, 1971-1979. Professor demography and economics University of California, Berkeley, 1979, director Berkeley Center on Economics and Demography of Aging.
Chair commission on population, National Academy of Sciences, 1993-1997. Consultant in field PeaceCorps. volunteer, Ethiopia, 1963-1965.
National Institutes of Health fellow, 1965-1967.
National Science Foundation fellow, 1968-1969. Social Science.
Postdoctoral fellow National Demographic Institute, Paris, 1970-1971. Assistant professor to professor University Michigan, Ann Arbor, 1971-1979. Professor demography and economics University California, Berkeley, since 1979.
Director Berkeley Center Economics and Demography Aging. Chair committee population National Academy of Sciences, 1993—1997. Consultant in field.
Volunteer Peace Corps, Ethiopia, 1963—1965. Member of American Association for the Advancement of Science, National Academy of Sciences, American Academy Arts and Sciences, American Philosophical Society, American Economic Association, Population Association American (president 1987), International Union Science Study Population, British Academy (correspondent).
Married Melissa Lee Nelken, July 6, 1968. Children: Sophia, Isabel, Rebecca.