Student, University Stuttgart, Germany. Student, University Ulm, Germany. Diploma, Free University Berlin, 1968.
Doctor of Philosophy, Free University Berlin, 1971. Habiltation, Technology University Berlin, 1980.
Tutor Free University of Berlin, 1967-1968. Fellow German Institute Economic Research, Berlin, 1968-1980. Lecturer Free University and Technology University, 1968-1980.
Professor, chair demography University Bielefeld, Germany, since 1981, director Institute Population Research and Social Policy Germany, since 1981.
Fellow Academy Spatial Research and Regional Planning. Member International Union for Science Study of Population, European Association for Population Studies, German Group International Regional Science Association (past president), German Association for Science Study of Population (president).
Married Ursula Gorr, January 17, 1969.