◦ Ph.D. in Physics, University of California at Berkeley (1980)

◦ M.A. in Physics, University of California at Berkeley (1977)

◦ B.S. in Physics, Seoul National University (1974)

◦ 9/86 - present   Professor in the School of Physics at Seoul National University, Seoul, Korea

◦ 6/84 - 8/86        Member of Technical Staff in the Surface and Interface Physics Research Department at

                           the Bell Communications Research, Murray Hill and Red Bank, USA

◦ 6/82 - 5/84        Postdoctoral Member in the Theoretical Physics Research Department at AT&T Bell

                          Laboratories, Murray Hill, USA

◦ 9/80 - 5/82        Postdoctoral Associate in the Department of Physics at MIT