Bacon [Baco], Roger
- Mary Berry
(b nr Ilchester, c1214; d Oxford, c1292). English theologian and philosopher. He studied first under Grosseteste in Oxford, then in Paris. In 1247 he gave up his official teaching in Paris, returning some three years later to Oxford. In about 1255 he entered the order of friars minor. Guy de Foulques (later Pope Clement IV), then Archbishop of Narbonne, wrote about 1265 asking him to outline a syllabus for the reform of learning – a sign of the high esteem in which Bacon and his teaching were held. Bacon responded by composing the three summaries known as the Opus maius, the Opus minor and the Opus tertium, submitting them to the pope in 1268. Clement died, however, that same year, before he had had time to study or implement them. During the next decade Bacon produced further writings on mathematics, science and language, including Greek and Hebrew grammars and a ...