As a designation applicable to a tradition or mode of philosophizing, "Averroism" cannot be used in any account of Arabic thought after the death of Averroes (c. 1198). After that, in a most unusual intellectual situation, Averroes's influence is to be found not in Muslim thought but in Western Latin philosophy between 1200 and 1650, for the dynamic speculative activity vital for five centuries in the Arabic tradition, which was founded in large part on Greek writings in philosophy and science (Aristotle's in particular), disappears after 1200, reappearing almost immediately in Western Latin thought. Throughout the century 1150–1250 a vast number of translations of most of Greek and Alexandrian philosophy and science were made from Arabic and Hebrew into Latin. This literary corpus, which had made its way around the Mediterranean littoral translated from Greek into Syriac and thence into Arabic and Hebrew, caught the attention of Latin scholars and such patrons of...