1958 - 61 | Studying mathematics and general physics at Hamburg University, Germany |

1961 - 62 | Postgraduate studies on High Energy Physics at Imperial College, UK |

1962 - 64 | PhD studies (with W. Thirring) on Elementary Particles at Vienna University, Austria |

1964 - 69 | Research Assistent at Heidelberg University, Germany; Weak interactions of elementary particles; Habilitation (venia legendi) |

1970 - 71 | Attaché de Rechereche at CERN, Geneva, Switzerland; Statistical physics |

1972 - 75 | Assistent professor of Theoretical Physics at Vienna University, Austria; Mathematical Physics |

since | Full professor of Theoretical Physics at Osnabrück University, Germany; Computational physics, Theoretical Optics |

2000 - 04 | Vice-president (Research, International Affairs, CIO) |

2006 | retired |

2009 - | Regular Visiting Professor at TEDA APS, Nankai University, PRC |