Prof. Dr. Alexander Piel obtained his PhD in plasma physics from Ruhr-Universität Bochum in 1977 and habilitated in 1986. Since 1989 he is full professor of atomic and plasma physics at Kiel University. The author is a fellow of the American Physical Society and served as chair of the plasma physics division of Deutsche Physikalische Gesellschaft (German Physical Society). He has published more than 200 peer-reviewed articles in international journals and several book chapters.