Orderic Vitalis (Ordericus) (1075 – c. 1142) was an English chronicler who wrote one of the great contemporary chronicles of 11th and 12th century Normandy and Anglo-Norman England. The modern biographer of Henry I of England, C. Warren Hollister, called him "an honest and trustworthy guide to the history of his times".
Read more about Orderic Vitalis: Background, Religious Life, The Historia Ecclesiastica