1959-66 Study of mathematics and physics, Univ Vienna, Univ Kansas 1996 PhD, Univ Vienna 1966-71 Assistant, Techn.Univ.Vienna 1968 Award of the OMG 1969 (Junior) Kardinal Innitzer Award 1970- Docent, Techn. Univ. Vienna 1971-76 Full Professor of Mathematics, Univ. Linz 1976- Full Professor of Mathematical Analysis, Techn. Univ. Vienna 1978-82 President, Austrian Math. Soc. 1981-87 Head, Division of Mathematics, Techn. Univ. Vienna 1985 Hon.Member, Accademia Nazionale di Scienze, Letter e Arti, Modena 1988 Corr. Member, Austrian Academy of Sciences 1991 Full Member, Austrian Academy of Sciences 2000 Hon. Doctorate, Univ. Turin 2001 Hon. Doctorate, Univ. Siegen 2001 Memorial Medal, Fac. Math and Physics, Charles Univ. Prague 2002 Korr. Member, Bayer. Akad. Wiss. 2003 Foreign Member, Russia Acad. Sciences More than 100 articles and books in the geometry of numbers, convex and discrete geometry, and analysis. Extended visits to Budapest, Bologna, Toronto, Hobart (Tasmania), Chandigarh, Turin, Messina, Moscow-St.Petersburg, Warsaw, Sofia, Guanajuato, Peking, Tel Aviv-Jerusalem, Vancouver, Heraklion, Alicante.