The Editors: Rainer Waser is Professor of Physics at the faculty of Electrical Engineering and Information Technology of the RWTH Aachen University and Director at the Institute of Solid State Research (IFF) at the HGF Research Center Julich, Germany. In 1984, he received his PhD in physical chemistry at the University of Darmstadt, and worked at the Philips Research Laboratory, Aachen, until he was appointed professor in 1992. His research group is focused on fundamental aspects of electronic materials and on such integrated devices as non-volatile memories, specifically ferroelectri...