Arts & Sciences at Washington University comprises three divisions: the College of Arts & Sciences, the Graduate School of Arts & Sciences, and University College in Arts & Sciences. Barbara Schaal is Dean of the Faculty of Arts & Sciences. James E. McLeod was the Vice Chancellor for Students and Dean of the College of Arts & Sciences; according to a University news release he died at the University's Barnes-Jewish Hospital on Tuesday, September 6, 2011 of renal failure as a result of a two-year-long struggle with cancer. Richard J. Smith is Dean of the Graduate School of Arts & Sciences.

How many divisions make up Arts & Sciences at Washington University?