Juris Doctor, University Marburg, Federal Republic Germany, 1956.
Associate professor, U. Frankfurt, Federal Republic Germany, 1963;
professor, U. Frankfurt, 1969;
professor, U. Giessen, Federal Republic Germany, 1964-1969;
visiting professor, London School Economics, University of California - Berkeley, 1976;
visiting professor, University of Pennsylvania, 1980;
visiting professor, U. Strasbourg, France, 1987-1988;
visiting professor, Paris, since 1990;
visiting professor, Yale University, New Haven, Connecticut, since 1981. Secretary general International Civil Status Commission, 1966-1980. Chairman Data Protection Experts Committee of the Council of Europe, Strasbourg, 1982-1986, Hesse Data Protect commissioner, 1975-1991.
Member research county European University Institute. Chairman social rights committee European Commission, 1998.
Member German Lawyers Association (board directors 1970-1982), German Council Private International Law, Information Society Forum of the European Union.
Married Ilse Grubrich, August 3, 1963.