Very few thinkers have influenced the history of West Africa as has the Algerian scholar Al Moghili who lived in the second half of the 15th century. Great ideas resonate through history much like the echo of drums between chains of mountains. Each reverberation provides fresh impetus for action. When ideas are implemented through great men and women, history is transformed and human...

History is infinitely elastic. The actions of one person in any age cause ripples that affect the lives of thousands who live downstream. Mahmud of Ghazna is important in Islamic history because his actions set the tone for the interaction between the world of Islam and the world of the Hindus. The tone of that interaction created a bitterness that has been exploited by extremists in the...