Ḥaḍrat ʿAlī Murtaḍā, may Allah be pleased with him (d. 40 AH)
Answer
He was, without any doubt, the gate to the city of knowledge; Kufa was the seat of his scholarly teaching, and there too was the seat of his caliphate. Ḥaḍrat ʿAbdullāh ibn Masʿūd, may Allah be pleased with him (d. 32 AH)
Source: Fatawa Mahmudiyya
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