Mohamed Atta
Mohamed Mohamed el-Amir Awad el-Sayed Atta ( ; ""  ; September 1, 1968 – September 11, 2001) was an Egyptian hijacker and one of the ringleaders of the September 11 attacks in which four United States commercial aircraft were commandeered with the intention of destroying specific civilian targets. He served as the hijacker-pilot of American Airlines Flight 11 and crashed the plane into the North Tower of the World Trade Center as part of the coordinated attacks. At 33 years of age, he was the oldest of the 19 hijackers who took part in the attacks.
Ahmed Ould Daddah
Daddah was born in Boutilimit, then part of French West Africa, on 7 August 1942. He is the younger brother to former Mauritanian President Moktar Ould Daddah. He attended primary school in Boutilimit, and then received his secondary education at the Lycée Van Vollenhoven in Dakar. After graduating he travelled to Paris to attend university, studying economics at the Faculté de Droit et Sciences Economiques de Paris of the University of Paris, and graduating in the mid-1960s.