| 1973 |
Diplom in Mathematics and Physics, University Freiburg i.Br. |
| 1973–1977 |
PhD in Mathematics, Universität Freiburg i.Br. |
| 1977–1978 |
Postdoc at Sonderforschungsbereich SFB 40, Universität Bonn |
| 1978–1984 |
Assistent resp. Oberassistent, Bergische Universität-GHS Wuppertal |
| 1983 |
Habilitation, Bergische Universität-GHS Wuppertal |
| 1983–1985 |
Visiting Fellow, Max-Planck-Institut für Mathematik in Bonn |
| 1984–1985 |
Umhabilitation, Universität Bonn |
| 1985 |
C-3-Professur, Max-Planck-Institut für Mathematik in Bonn |
| 1986 |
Chair for Algebra/Number Theory, Bergische Universität-GHS Wuppertal |
| 1987 |
Chair for Mathematics, ETH Zurich |
| 2003–2008 |
Director of the Zurich Graduate School in Mathematics, ETH Zurich-University Zurich |
| 2013 |
Professor emeritus ETH Zurich |
