Abū ʿAbdullāh Muhammad ibn Idrīs al-Shāfīʿī is a Muslim jurist, who lived from (767 — 820 CE / 150 — 204 AH). Often referred to as 'Shaykh al-Islām', al-Shāfi‘ī was one of the four great Imams, whose legacy on juridical matters and teaching eventually led to the Shafi'i school of fiqh (or Madh'hab). He is often referred to as Imam al-Shafi‘i.