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,

The Aga Khan, known for his triumphs in horse racing, dazzling wealth and development work around the world, has died in Lisbon at the age of 88, according to the Aga Khan Development Network on X.

The Aga Khan, the leader of the world’s 15 million Ismaili Muslims and known for development work around the world, has died in Lisbon at the age of 88, according to the Aga Khan Development Network.