Bishop of Chartres, born at Salisbury, of Saxon lineage; was a pupil of Abelard; was secretary first to Theobald and then to Thomas á Becket, archbishop of Canterbury; was present at the assassination of the latter; afterwards he retired to France and was made bishop; wrote the Lives of St. Thomas and St. Anselm, and other works of importance in connection with the scholasticism of the time (1120-1180).