| 1962 | Staatsexamen in physics, mathematics at U. of Freiburg/Brsg |
| 1963-66 | U. of Freiburg, tutor and substitute assistant |
| 1965 | DAAD-grant Yeshiva University, New York (A. Komar) |
| 1966 | Ph.D., U. of Freiburg (H. Hönl, K. Westpfahl) |
| 1966-68 | Research associate, Temple U., Philadelphia (P. Havas) |
| 1969 | Assistant, U. of Göttingen (M. Kohler) |
| 1973 | Habilitation, U. of Göttingen; |
| 1975 | Visiting Fellow, Math. Dept., U. of Toronto (D. Sen) |
| 1975-78 | Lecturer U. of Göttingen |
| 1978 | Visiting Fellow, Dept. Theoret. Physics, Australian National U., Canberra (H. Buchdahl) |
| 1980 | Professor, U. of Göttingen |
| 1980/81 | Senior research associate, Temple U., Philadelphia (P. Havas) |
| 1989 | Guest scientist, Herrmann-Foettinger Institute for Fluid- and Thermodynamics (I. Müller) |
| 1991 | Guest scientist, Inst. f. Theoret. Physik, TU Berlin (E. Hellwig) |
| 1995/96 | Guest scientist Max-Planck-Institute for the History of Science, Berlin (J. Renn) |
| 2000/01 | Guest scientist Max-Planck-Institute for the History of Science, Berlin (J. Renn) |
| 4/2002 | (active) retirement |
