William of Ockham (also Occam, Hockham, or any of several other spellings, pronounced /ˈɒkəm/) (c. 1288 - c. 1348) was an English Franciscan friar and scholastic philosopher, from Ockham, a small village in Surrey, near East Horsley. He is considered — along with Thomas Aquinas, Duns Scotus, and the Islamic scholar Averroes — to be one of the major figures of medieval...