Walter Burley

Walter Burley (or Burleigh) (c. 1275–1344/5) was a medieval English scholastic philosopher and logician with at least 50 works attributed to him. He received his Master of Arts degree in 1301, and was a fellow of Merton College Oxford until about 1310. He then spent sixteen years in Paris, becoming a fellow of the Sorbonne by 1324, before spending 17 years as a clerical courtier in England and Avignon. Burley disagreed with William of Ockham on a number of points concerning logic and natural philosophy. He died in about 1344.

Burley was born in 1274 or 1275, possibly in Burley-in-Wharfedale, Yorkshire, or in Burley near Leeds. Little is known of his early life. He was made rector of Welbury in Yorkshire in 1309, probably through the influence of Sir John de Lisle, a friend of William Greenfield. As throughout his career, he did not act as rector, employing a substitute and using the income from the living to finance his study in Paris, where he completed his lectures on Peter Lombard's Sentences, and probably encountered the work of his contemporary William of Ockham. Burley's commentary on the Sentences has not survived.

Burley became a courtier during the political events that followed the deposition of Edward II of England in 1327. His first assignment was to try and obtain the canonisation of Thomas, 2nd Earl of Lancaster, who had been one of the leaders of the baronial opposition to Edward II; Thomas had become venerated as a martyr within a few months of his death. Burley was sent to the papal court at Avignon to appeal directly to Pope John XXII. By coincidence, William of Ockham was also staying at Avignon, having been summoned there in 1324 to answer charges of possibly heretical statements (by 1326 there was a list of 51 charges against him).

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