Ibn Rushd (Arabic : ابن رشد ; full name in Arabic : أبو الوليد محمد بن أحمد بن رشد, romanized : Abū al-Walīd Muḥammad ibn Aḥmad ibn Rushd ; 14 April 1126 – 11 December 1198), often Latinized as Averroes (English: / ə ˈ v ɛr oʊ iː z /), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psychology, mathematics, Islamic jurisprudence and law, and linguistics. The author of more than 100 books and treatises, his philosophical works include numerous commentaries on Aristotle, for which he was known in the Western world as The Commentator and Father of Rationalism.