al-Amir as-San'ani

Muhammad ibn Isma'il al-Husayn ibn Salah ibn Ali al-Amir as-San'ani (1099-1182 AH / 1687-1768 CE) was a Yemeni scholar of great renown who advocated for independent legal reasoning (ijtihad) based directly on the Quran and Sunnah, rather than strict adherence to any single legal school. Born in Kahlan, Yemen, and educated in San'a and other Yemeni centers of learning, he studied under the leading scholars of Yemen.

As-San'ani's approach to Islamic scholarship was characterized by a commitment to following the strongest hadith evidence regardless of school boundaries, an approach that placed him in dialogue with and sometimes opposition to the strictly school-bound approach of his contemporaries. He was influenced by and corresponded with his contemporary Ibn al-Wazir and was part of a broader Yemeni intellectual tradition of hadith-based scholarship.

His most important work is Subul as-Salam Sharh Bulugh al-Maram (The Ways of Peace: Commentary on Bulugh al-Maram), a four-volume commentary on Ibn Hajar al-Asqalani's Bulugh al-Maram min Adillat al-Ahkam (a collection of hadiths on legal rulings). This commentary became one of the most widely used hadith-based legal commentaries in the Sunni world and continues to be studied across legal schools.

He also authored at-Tanwir Sharh al-Jami' as-Saghir, a commentary on as-Suyuti's hadith collection; Tathir al-I'tiqad, a work on pure monotheism; and many other works. He passed away in San'a in 1182 AH. His Subul as-Salam remains one of the most widely studied hadith commentaries in the Islamic world.