The Edward A. Lee Festschrift Symposium will be held on October 13th at the Berkeley City Club to celebrate the scholarship and teaching of Edward A. Lee, the Robert S. Pepper Distinguished Professor in EECS.  The theme of the symposium is "Principles of Modeling" and is dedicated to Lee's devotion to research that centers on the role of models and the  principled use of models in science and engineering.  Speakers include Hans Vangheluwe , Jie Liu , Radu Grosu , Thomas Henzinger, Janette Cardoso, and Richard Murray.