19/07/1934: Born in Reval (Tallinn)/Estonia
October 1939: Relocated to the Province of Posen, school enrolment (1941)
February 1945: Flees from advancing Soviet troops to the West (Hesse), where he resumes school
1954: Abitur (German Secondary School Leaving Certificate) at Friedrich Wilhelm School, Eschwege
1954 – 1958: Studies Law and Political Economics in Marburg/Lahn and Berlin
14/07/1958: First State Examination in Law
28/07/1960: Obtains Doctorate in Law (Dr. jur.) from the University of Marburg
1959 – 1963: Legal clerkship in Hesse
12/06/1963: Second State Examination in Law
1963 – 1974: Academic assistant and lecturer at the University of Bonn
17/12/1971: Postdoctoral qualification at the University of Bonn (Civil Law, Labour Law and Social Security Law)
1975 – 1981: Full professor of Social Security Law at Freie Universität Berlin
1981 – 1992: Full professor of Civil Law, Labour and Social Security Law at the University of Bonn and Director of its Institute for Labour and Social Security Law
1990 – 1992: Spokesperson of the postgraduate programme on "European and International Economic Law" at the University of Bonn
Since 1/02/1992: Director of the Max Planck Institute for Foreign and International Social Law, Munich.
Since 1992: Honorary professor at the University of Munich
Since 1993: Advisory activity on social security reforms in various Central and Eastern European states (including the Baltic states, Poland, Romania, Russia, Slovakia)
01/08/2002: Retirement to emeritus status
- lecturing and teaching assignments in various places, including Antwerp (Belgium), Tartu (Estonia), Rijeka and Zagreb (Croatia), Gdansk (Poland), Prague (Czech Republic), Tsukuba (Japan), Sao Paulo (Brazil)
- assistance in the expert commission of Bertelsmann Stiftung "Senior Citizen Policy" [Ziele in der Altenpolitik]
- advisory activity in Indonesia, amongst other places
- cooperation with Japanese scientists (particularly Prof. Motozawa and Prof. Tanaka) on issues regarding family policy and on the elaboration of a comparative analysis of the development of social law in Japan and Germany
- head of the project group of Europäische Akademie Bad Neuenahr, concluded by a book publication: "Enabling Social Europe".
Celebratory publication on the occasion of his 60th birthday, Zeitschrift für Sozialreform, No. 7 July 1994.
Colloquium on the occasion of his 65th birthday: "Öffentliche und private Sicherung gegen soziale Risiken", Baden-Baden 2000.
Festschrift: "Sozialrecht und Sozialpolitik in Deutschland und Europa", Neuwied 2002.
Scientific colloquium on the occasion of his 70th birthday: "Reformen des deutschen Sozial- und Arbeitsrechts im Lichte supra- und internationaler Vorgaben", Baden-Baden 2005.
Order of Merit of the Federal Republic of Germany, First Class
Order of the Sacred Treasure, Gold Rays with Neck Ribbon (Japan)
Heinrich Lünendonk Medal for the Recognition of Exceptional Merits in the Field of Social Insurance
Appointed Foreign Scientific Member of the Polish Academy of Sciences, Warsaw
Bearer of the Officer's Cross of the Order of Merit of the Republic of Poland