Diploma in Physics, University Mainz, Federal Republic of Germany, 1972. Doctor of Physics, University Karlsruhe, Federal Republic of Germany, 1976. Doctor of Science in Computer Science, University Karlsruhe, Federal Republic of Germany, 1988.
Research assistant, Center for Nuclear Research, Karlsruhe, 1972-1976; senior scientist, U. Karlsruhe, 1976-1984; department manager, Center for Computer Science Research, Karlsruhe, 1985-1988; professor computer science, Technology U., Munich, 1988-1992; professor computer science, U. Stuttgart, Federal Republic of Germany, 1992-1996. Director Institute for Parallel and Distributed High Performance Computers, Stuttgart, Germany, 1994-1996, Institute for Computer Science, Karlsruhe, Germany, since 1996.
Married Cornelia Levi. Children: Alexander, Larissa, Helena.