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.
Mahmoud Mohammed Taha
Taha was born in Rufaa, a town on the eastern bank of the Blue Nile, 150 km south of Khartoum. He was educated as a civil engineer in a British-run university in the years before Sudan's independence. After working briefly for Sudan Railways he started his own engineering business. In 1945, he founded an anti-monarchical political group, the Republican Party, and was twice imprisoned by the British authorities.