Doctor of Philosophy in Physics, Rensselaer Polytechnic Institute, 1969.
Research associate International Business Machines Corporation, Yorktown Heights, New York, 1969-1971. Research fellow Chalmers University of Technology, Gothenborg, Sweden, 1971-1973, University Warwick, Coventry, England, 1973-1974. Research professor University Linköping, Sweden, 1976-1989.
Chair professor physics University Trondheim Norwegian Institute of Technology, 1989-1996, Lund University, Sweden, since 1996, National Chiao-Tung University, since 2000. Visiting professor Federal University Pernambuco, Recife, Brazil, 1975.
Member American Physical Society, Royal Norwegian Society Sciences and Letters, Royal Academy of Sciences, Medical and Technology.
Married Lindy Ling-Ying Lin, June 21, 1966 (deceased May 1979).