Engels geschiedschrijver der middeleeuwen (Kingston, Norfolk, 15 Oct. 1858 - Cambridge 4 Mrt 1947), studeerde te Cambridge en in Frankrijk en Duitsland. Hij was eerst „lecturer” voor kerkgeschiedenis te Cambridge, daarna professor in de Engelse geschiedenis te Oxford (1930-’31) en te Edinburgh en van 1940-’43 in middeleeuwse geschiedenis te Toronto.
Bibl.: Chaucer and his England (1908); Social Life in Britain from the Conquest to the Reformation (1918); Five Centuries of Religion, 3 din (1923-1936); A Victorian Schoolmaster (1923); The mediaeval Village (1925); Art and the Reformation (1928); Life in the Middle Ages, 4 din (i928-’29); Crusades, Commerce and Adventure (1929); Romanism and Truth, 2 dln (1930-1931); The Chronicle of European Chivalry (Froissart) (1930); Mediaeval Panorama (1938); Studies in mediaeval thought (1940); Europe’s Apprenticeship, a Survey of Mediaeval Latin (1940); Fourscore years, an Autobiography (1944).
Lit.: H. S. Bennett, G. G.
C. Proceed, of the Brit. Acad., vol. 33 (1947); F. M.
Powicke, The Historical Method of Mr. C. in ,,History”, dl 8 (1923) en 9 (1924); Idem, Three Cambridge Scholars in: The Cambr. Historic Journal, dl 9 (1947); zijn dochter Sarah Campion schreef: Father, a study of G. G.
C. at home (1948).