Hans-Peter Blossfeld is professor of sociology at the University of Bremen and Exter-
nal Professor of Sociology at the European University Institute in Florence. He has pub-
lished in the fields of social stratification, educational sociology, life course research,
demography and statistical methods.

Jenny de Jong Gierveld is director of the Netherlands Interdisciplinary Demographic
Institute in the Hague and professor of social research methodology at the Vrije
Universiteit, Amsterdam. She has published on numerous topics including transitions
in the lives of young adults, the living arrangements and social networks of the elderly,
and loneliness.

Margarita Delgado is a sociologist specialized in population and human ecology. She is
a demography researcher in the High Council of Scientific Research and databank di-
rector at the Centre of Sociological Research in Madrid. She has published on fertility,
marriage and family formation and is currently working on adolescent fertility in
Spain.

Alessandra De Rose is a statistician at the Italian Ministry of Health and temporary
professor of demography at the University of Salveno Benevento. She has published on
fertility, marriage and divorce in relation to the female condition.

Britta Hoem is senior statistician in the Forecasting Institute of Statistics Sweden,
Stockholm. Previously she was a research associate in the Demography Unit of
Stockhom University. She is a demographer who has published on gender equality and
on family dynamics and its interaction with women's labor force participation.

Johannes Huinink is scientific researcher at the Max Planck Institute for Human De-
velopment in Berlin, Germany. He is a sociologist and has published on a range of top-
ics relating to family development, female labor force participation, methods and con-
cepts of analyzing life course data, and multilevel modelling in the social sciences.

Kathleen E. Kiernan is senior research fellow in demography at the London School of
Economics. She has published widely on a range of topics relating to the family, includ-
ing leaving home, cohabitation, marriage, divorce, fertility and singlehood.

Éva Lelièvre holds a joint research post as Chargé de recherche at the Institut National
d'Etudes Démographiques in Paris and Research Officer at the London School of Eco-
nomics. She is a demographer who has published in the field of life event history analy-
sis and co-organized in 1991 a European Survey on Family and Employment.

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