Bishop; b. Warrington, Lancashire, 1362–70; d. Gottlieben Castle (near Constance), Sept. 4, 1417. Educated at Oxford, he had received his doctorate in Canon Law by 1403, when he became chancellor of the university. In 1407, he was consecrated bishop of Salisbury by Gregory XII in Rome. He attended the Council of pisa (1409). Antipope john xxiii created him cardinal, but Hallum declined when Henry IV objected. Hallum served as president of the English nation at the Council of constance where he worked closely with the Emperor sigismund to effect Church unity and reform. He was influential in obtaining John XXIII's suspension and served on a committee investigating charges brought against the deposed antipope benedict xiii. He was buried in the cathedral at Constance.
Bibliography: j. le neve, Fasti ecclesiae Anglicanae, ed. t.d. hardy, 3 v. (Oxford 1854) 2:601. r. l. poole, The Dictionary of National Biography from the Earliest Times to 1900 (London 1908) 8:983–985. h. von der hardt, Magnum oecumenicum Constantiense concilium, 7 v. (Frankfurt-Leipzig 1697–1742). j. h. wylie, History of England under Henry the Fourth, 4 v. (London 1884–98). e. f. jacob, Essays in the Counciliar Epoch (rev. ed. Notre Dame, Ind. 1963). a.b. emden, A Biographical Register of the Scholars of the University of Cambridge before 1500 (Cambridge, Eng. 1963) 2:854–855.
[j. f. jolley]