Professor Sadamichi Maekawa Institute for Materials Research Katahira 2-1-1, Aobaku Sendai 980-8577, Japan 2005-present: Honda Professor, Institute for Materials Research, Tohoku University 1997-present: Professor, Institute for Materials Research, Tohoku University 1988-1997: Professor, Department of Applied Physics, Nagoya University 1984-1988: Associate Professor, Institute for Materials Research, Tohoku University 1971-1984: Research Associate, Institute for Materials Research, Tohoku University