Question: Facts: - known for: two-level grammar , sorting , multisets - citizenship: germany - work institutions: university of kassel - field: computer science - doctoral advisor: hermann maurer - birth date: 11 october 1949 - name: lutz m. wegner - image size: 200px - image: lwegner.jpg - birth place: weinsberg , germany - alma mater: university of karlsruhe -lrb- ph.d. , 1977 -rrb- Based on these bullet points, write a short biography describing the life of lutz michael wegner .
Answer:
lutz michael wegner -lrb- born october 11 , 1949 -rrb- is a german computer scientist .