John Peckham

John Peckham (c. 1230 – 8 December 1292) was Archbishop of Canterbury in the years 1279–1292. He was a native of Sussex who was educated at Lewes Priory and became a Friar Minor about 1250. He studied at the University of Paris under Bonaventure, where he would later teach theology. From his teaching, he came into conflict with Thomas Aquinas, with whom he debated on two occasions. Known as a conservative theologian, he opposed Aquinas' views on the nature of the soul. Peckham also studied optics and astronomy, and his studies in those subjects were particularly influenced by Roger Bacon and Alhazen. In around 1270, Peckham returned to England, where he taught at the University of Oxford, and was elected the provincial minister of England (Minoriten) in 1275. After a brief stint in Rome, he was appointed Archbishop of Canterbury in 1279. His time as archbishop was marked by efforts to improve discipline in the clergy as well as reorganize the estates of his see. Pluralism, or holding more than one clerical benefice, was one of the abuses that Peckham combatted. He served King Edward I of England in Wales, where he formed a low opinion of the Welsh people and laws. Before and during his time as archbishop, he wrote a number of works on optics, philosophy, and theology, as well as writing hymns. Numerous manuscripts of his works survive. On his death, his body was buried in Canterbury Cathedral, but his heart was given to the Franciscans for burial.

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