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.
Mohamed Salah Ben Mrad
Born in the Medina of Tunis near the Tourbet el Bey, Mohamed Salah was the son of the Hanafi Bach-mufti, Sheikh H'mida Ben Mrad, a specialist in rhetoric and the elder brother of the sheikhs Neji (who served as qadi and mufti) and Brahim Ben Mrad (who served as imam,teacher at the Zaytuna,judge at the Tunis tribunal). He came from a family of Tunis scholars and intellectuals of Ottoman origin, from Turkey. Dating back to the seventeenth century, his grandfather Murad Khodja was part of the military army of Sinan Pasha, who participated in the battle of La Goulette against the army of Charles V in 1574. 
He completed his studies at the Zaytuna and left in 1900.