The Aga Khan, the spiritual leader of the world's millions of Ismaili Muslims and a major philanthropist, has died. His son will succeed him.

Paris The Aga Khan, who became the spiritual leader of the world’s millions of Ismaili Muslims at age 20 as a Harvard undergraduate and poured a material empire built on billions of dollars in tithes into building homes,

World leaders mourn the death of Prince Karim Aga Khan IV and remember his lifelong commitment to peace and development.