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,

Billionaire philanthropist and spiritual leader Aga Khan IV has died at 88. He was the spiritual leader of the millions of Ismaili Muslims across the world. They believed that he was a direct descenda

The death of the Aga Khan, who was the spiritual leader of the world’s millions of Ismaili Muslims, struck a deep chord with Houston’s Ismaili Muslim community