He became the Aga Khan IV on Oct. 19, 1957, in Dar es Salaam, Tanzania, on the spot where his grandfather once had his weight equaled in diamonds in gifts from his followers.

The Aga Khan, who became the spiritual leader of the world’s millions of Ismaili Muslims at age 20 and then evolved into a business magnate and philanthropist, died Tuesday.

A funeral ceremony is being held today in Lisbon for the Aga Khan IV, the spiritual leader of the world's Shi'ite Ismaili Muslims who passed away in Portugal on February 4 at the age of 88. He ...

The Aga Khan, who assumed the role of spiritual leader for millions of Ismaili Muslims at age 20 while an undergraduate at Harvard, has died at age 88. He dedicated vast resources, ...

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 ...

PARIS (AP) — 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 ...

Prince Karim Al-Hussaini became the Aga Khan IV and 49th hereditary iman in his family's 1,300-year-old dynasty when he was a 20-year-old student at Harvard. His grandfather, the Aga Khan III ...

The Aga Khan, spiritual head of Ismaili Muslims, listens to a speech during the inauguration of the restored 16th century Humayun’s Tomb in New Delhi, India, on Sept. 18, 2013. | Manish Swarup/AP ...

The Aga Khan addresses an audience about the challenges to a pluralistic society on Nov. 12, 2015, at the Memorial Church on the campus of Harvard University, in Cambridge, Mass.