Ismaili.NET - Heritage F.I.E.L.D.

In addition to wishing H.H. The Aga Khan IV Happy Birthday, this article goes on to summarize his life and work. It even links to an extract from ismaili.net

Aga Khan IV is a direct descendant of the Prophet Muhammad. The Aga Khan succeeded his grandfather, Sir Sultan Mahomed Shah Aga Khan, to become the 49th hereditary Imam of the Shia Imami Ismaili Muslims. He has spent his life working to strengthen the Muslim community through his belief that the ethic of Islam “requires members of the faith to contribute to improving the quality of all human life.”