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Author

Shaykh al-Ṭūsī

Abū Jaʿfar Muḥammad ibn al-Ḥasan al-Ṭūsī (d. 460 AH / 1067 CE), known as Shaykh al-Ṭāʾifa, one of the most eminent Shia scholars of all time and author of two of the four canonical books of Shia ḥadīth.