MSc.EE, 1962, PhD.CS 1969; IBM 1962-1975 (R& D: Sweden, California USA, Switzerland, Austria); Prof. Techn.Univ. of Denmark 1976--...; Guest Profs.: Univ. of California at Berkeley, Kiel Univ., Natl.Univ. of Singapore; Founder & Scientific Director: Dansk Datamatik Center (1979b"1989); UN Director, UN Univ. Intl. Inst. f. Softw.Techn., Macau (1991-1997); Co-founder of (VDM now) Formal Methods Europe, 1987-...; Member of Academia Europaea; Member of the Russian Academy of Natural Sciences (AB); The Ths.Masaryk Gold Medal, Masaryk Univ., Brno, Czech Republic; The John von Neumann Medal,