 William Edington ( died 6 or 7 October 1366 ) was an English bishop and administrator . He served as bishop of Winchester from 1346 until his death , Keeper of the wardrobe from 1341 to 1344 , treasurer from 1344 to 1356 , and finally as chancellor from 1356 until he retired from royal administration in 1363 . Edington ’ s reforms of the administration — in particular of royal finances — had wide @-@ ranging consequences , and contributed to the English military efficiency in the early stages of the Hundred Years ' War . As bishop of Winchester he was responsible for starting an extensive rebuilding of Winchester Cathedral , and for founding Edington Priory , the church of which still stands today . 
