People carry the coffin of Prince Karim Al-Hussaini, the Aga Khan IV and 49th hereditary imam of the Shiite Ismaili Muslims, who died Tuesday in Portugal, to be buried at the Aga Khan mausoleum ...

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.

Prince Karim Aga Khan attends the Installation of Frederic Mitterrand at the "Academie des Beaux-Arts". Held at "Academie des Beaux-Arts" on Feb. 5, 2020, in Paris, France. / Getty Images ...

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.

Prince Rahim al-Hussaini, left, Aga Khan V, attends the burial of his father Aga Khan IV, the 49th imam and spiritual leader of Shia Ismaili Muslims, in Egypt's southern city of Aswan on February ...

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 ...

People carry the coffin of Prince Karim Al-Hussaini, the Aga Khan IV and 49th hereditary imam of the Shiite Ismaili Muslims, who died Tuesday in Portugal, to be buried at the Aga Khan mausoleum ...

People carry the coffin of Prince Karim Al-Hussaini, the Aga Khan IV and 49th hereditary imam of the Shiite Ismaili Muslims, who died Tuesday in Portugal, to be buried at the Aga Khan mausoleum ...