With the arrival of the Seljuks in Baghdad and the emigration of the religious scholars, this city lost its status as a scholarly center. In some parts, nevertheless, Shī‘a scholars were remarkably present, including the renowned Tāwūs family, and the most important of them, Sayyid b. Tāwūs. The writer has tried to answer the two questions: 1. Ibn Tāwūs' position in the face of his contemporary political authority (Abbasid caliphate and the Moguls); 2. The role of Sayyid b. Tāwūs in the fall of Baghdad.
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