al-Izz ibn Abd as-Salam

Izz ad-Din Abd al-Aziz ibn Abd as-Salam as-Sulami (577-660 AH / 1181-1262 CE), known as Sultan al-Ulama (the Sultan of the Scholars), was one of the most towering figures in medieval Islamic jurisprudence. Born in Damascus, he became the leading Shafi'i jurist of his time, combining deep legal expertise with remarkable courage and moral integrity.

He studied in Damascus and Baghdad under major scholars of the era. He was known for his refusal to compromise principle before political authority — on several occasions he defied powerful sultans and Mamluk commanders when he believed Islamic law required it, earning enormous popular respect and his title Sultan al-Ulama.

Al-Izz ibn Abd as-Salam's most important works are Qawa'id al-Ahkam fi Masalih al-Anam (The Rules of Judgments regarding the Interests of People), a foundational work in Islamic legal theory that systematized the concept of maslahah (public interest) and the universal purposes of Islamic law; and al-Fawa'id fi Ikhtisas al-Hadith an-Nabawi (The Benefits of the Distinctions of the Prophetic Hadith). He also authored Shajarat al-Ma'arif on Islamic ethics and spirituality, and numerous other legal and religious works.

His Qawa'id al-Ahkam is considered one of the most important works in the development of maqasid ash-shari'ah (the higher objectives of Islamic law) theory. He served in Cairo and died there in 660 AH. His moral courage and juristic vision make him one of the most admired figures in Islamic legal history.