b. Germany, 1934. B.Sc., MIT, 1956. M.Sc., Virginia Polytechnic Inst., 1960. D.Sc., Technion-I.I.T., 1968. NASA, 1956-1961, 1970-1971, 1976, 1987-1988. Boeing Co., 1961-1962. Douglas Aircraft Co., 1977-1978. At Technion since 1962. Visiting Prof. at Penn State Univ., Swinburne Inst. Techn., Univ. of New South Wales. Associate Professor since 1976. Deputy Head, Aero. Research Center, 1980 and 1981. Head, Danciger Engineering Teaching Labs, 1989-1992. Israel Delegate to Internat. Committee of Aeronautic Fatigue since 1979. Consultant on failure in transport vehicles