Dear students, dear colleagues Please join us for tomorrow's colloquium by George Sawatsky Physics Department, University of British Columbia, Canada who will talk about Magnetism Based on Surfaces, Interfaces and Point Defects Please visit our web page http://www.colloquium.phys.ethz.ch for details. Best regards Gianni Blatter Tilman Esslinger Thomas Gehrmann Juerg Osterwalder