Roger Bacon 1214-1294

Roger Bacon (c.1214 – 1294), also known as Doctor Mirabilis (Latin: "astounding teacher"), was one of the most famous Franciscan friars of his, or, indeed, any time. He was an English philosopher who placed considerable emphasis on empiricism, and has been presented as one of the earliest advocates of the modern scientific method in the West; though later studies have emphasized his reliance on occult and alchemical traditions. He was intimately acquainted with the philosophical and scientific collections of the Arab world which, having conquered the ancient centers of knowledge of Syria and Egypt, controlled access to many works of antiquity.