Descendant of Prophet Mohammed is also one of world's richest men. The Aga Khan, spiritual leader of Ismaili Muslims, looks on during a speaking event at Massey Hall in Toronto, Feb. 28, 2014 ...

Aga Khan V was on Wednesday named the new leader following the unsealing of the Will of his late father, Prince Karim Al-Hussaini Aga Khan IV, who died in Lisbon, Portugal aged 88.