Who was Muhammad? By Non Muslims scientist philosophers and historians

A MUST WATCH VIDEO ! AND A MUST SHARE VIDEO !  TRUST ME :)

You tube link : http://www.youtube.com/watch?feature=endscreen&NR=1&v=MuXYjobc-Vo

APART FROM THE ABOVE VIDEO, SEE WHAT NON MUSLIM SCHOLARS, CRITICS AND ETC HAVE TO SAY ABOUT ISLAM HERE : 

http://www.khalidmosque.com/english/index.php?option=com_content&view=article&id=75&Itemid=179