Rajeev Motwani dies at 47

The body of Dr. Rajeev Motwani was found in the computer pioneer's home swimming pool in Atherton, California yesterday.  Motwani was a computer science professor at Stanford University and mentor of Google Inc. founder Sergey Brin.  Motwani was also a beloved figure in Silicon Valley.  Brin said his professor was "primarily a theoretician, and it's incredible the amount of impact he has had directly on products and companies."