first chronicler to attempt a continuous history of Scotland. His work is nationalistic in attitude and reliable where he is not dealing with legendary subjects. Evidence about his life is derived from the prologues to Walter Bower's Scotichronicon. He may have been a chantry priest in Aberdeen cathedral.

Of John's seven-part chronicle, book 5 (Scotland, 1057–1153) and the fragmentary book 6 (England before 1066) seem to have been composed first. The true continuation of book 5 is his Gesta annalia (Scotland, 1153–1363). These were all completed by 1363; thereafter John travelled until 1383, wrote books 1–3 (legendary) and book 4 (814–1057), and brought the Gesta annalia down to 1384. Walter Bower's Scotichronicon, completed 1447, is in part an expansion and continuation of John's work. John's chronicle was edited, with translation, by W.F. Skene in Historians of Scotland, vol. 1 and 4 (1871–72).