Doctor of Philosophy, University Munich, 1952. Doctor of Science, University Munich, 1954. Doctor of Science (honorary), Grenoble University, France, 1974.
Doctor of Science (honorary), Passau University, Germany, 1989. Doctor of Science (honorary), Munich University of the Armed Forces, 1998.
Teaching assistant Technology University Munich, 1952-1954. Professor applied mathematics Mainz University, 1958—1962. Lecturer Technology University Munich, 1954-1958, professor mathematics, 1963-1972, professor mathematics and computer science, 1972-1989, professor emeritus, since 1989.
Secretary Computer Commission Bavarian Academy of Sciences, 1965-1998. Co-director Leibniz Computing Center, Munich, 1968-2002.
Served as Second lieutenant German Army, 1943-1945. Member Bavarian Academy of Science, Deutsche Akademie der Naturforscher Leopoldina, Bayerischer Maximiliansorden für Wissenschaft, Austrian Academy of Sciences, Gesellschaft fur Informatik (honorary member), Deutsches Museum (honorary member).
Married Irene Maria Theresia Laimer, June 15, 1949 (deceased August 1973). Married Hildegard Vogg, March 16, 1974. Children: Gertrud Josefine, Martin Alston, Margret Elisabeth, Ulrich Alexander, Bernhard Klaus.