Sayyed Ibn Tawus
Sayyed Radhi ud-Deen Ali ibn Musa ibn Tawus al Hasani wal Husaini (1193-1266 AD) commonly called Sayyed Ibn Tawus () was a Shiite jurist, theologian, historian and astrologer. He was a descendant of Hasan ibn Ali through his father and a descendant of Husain ibn Ali through his mother. It is said that he met the twelfth Shiite imam, Muhammad al-Mahdi, who according to Shiites is living in occultation. He is known for his library and his numerous works which are still available in their original form and help us learn about the interests of  Muslim scholars at the end of the Abbasid era. Birth and family life. Ibn Tawus was born on 15 Muharram 589 (21 January 1193) in Hilla and was named Tawus (peacock). One of his forefathers was a handsome man with ugly legs so his progeny too inherited the title from him. During his first 14 years of his life he was brought up and taught under many teachers including his father and grandfather. Later on he married Zahra Khatoon the daughter of the Shia Vazir of Nâsir bin Zaidi and settled in Baghdad. Ibn Tawus apparently had good relations with  the Caliphs of his time like Muntansir, however he refused to be involved in any political affairs. There is not exact information about his family and number of his children. His children were known by the name of their mother. It is said that he had returned to Hilla in 641 and had gone to Najaf in 645 and then to Karbala in 649 and to Samarra in 652 and on reaching Baghdad he stayed there until Mongols captured the city. Under the reign of Mongols. When Hulagu Khan conquered Baghdad, he asked the Scholars of the city : "Who is  better, a tyrant Muslim ruler or a Kafir(infidel) judicious ruler?" None gave a response to this question but Ibn Tawus who said: "A Kâfir judicious is better." And the other scholars followed him in this reply. A reply that saved the life of many people in the city. Afterwards Hulagu Khan let Ibn Tawus to return to Hilla. However, Hulagu Khan gave the leadership of Alawites and then some cities like Baghdad to him which Ibn Tawus was reluctant to accept. Nasir al-Din al-Tusi advised him to save his life by accepting it and he did so. Works . Ibn Tawus inherited a big library and he himself wrote numerous books on different topics from theology and ethics to jurisprudence and astronomy some of which have been translated into Persian, Urdu and English. In his books he encouraged readers to learn about Muhammad and the Ahl al-Bayt because he thought such "knowledge about the original sources of religion was the actual understanding of religion". some of his works can be listed as follows: Death. Ibn Tawus died in Baghdad on 8 August 1266 and seemingly was buried in the same city. Ibn Tawus had direct contact with Muhammad  al-Mahdi and he was given Isme Âzam, but was not permitted to teach it to his children. He was buried in Hilla, Iraq, where his tomb remains a visitation site for Shia followers.