GUGLIELMO di HOTHUM (HOZUM, HENDON). – Dominican theologian, d. at Dijon on 27 August 1298. In 1269 he was commenting on Peter Lombard’s Sentences at Oxford; in 1280–82 he was magister theologiae in Paris, then provincial superior of his Order for England, and in 1296 archbishop of Dublin. In 1284, following the condemnation of Richard Knapwell, he defended this author and his doctrine of the unity of substantial forms against the Franciscan archbishop Peckham.
Works: a Quodlibet disputed in Paris in 1280, a Quaestio disputata and a Quaestio in vesperis, as well as several Sermones (all unpublished).
BIBL.: A. G. Little and F. Pelster, Oxford theology and theologians 1282-1302, Oxford 1934, pp. 83–87; F. Pelster, s. V. in LThK, X, col. 899; M. de Wulf, History of medieval philosophy, Italian trans., II, Florence 1945, p. 101 ff. Anneliese Maier