1-Life.2-Scholarly Position.3-Teachers.4-Students.5-Works.6-Thoughts and Intellectual and Religious Position.6.1-Establishment of the Seminary of Najaf.6.2-The Role of al-Shaykh al-Tusi in Perfection of Shi'a Fiqh.6.3-Innovation in Writing Commentary on the Qur'an.7-Demise.8-Notes.9-References.