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Leo I, Saint, pope

(Encyclopedia)Leo I, Saint (Saint Leo the Great), c.400–461, pope (440–61), an Italian; successor of St. Sixtus III. A Doctor of the Church, he was one of the greatest pontiffs of the early years of the church....

Huss, John

(Encyclopedia)Huss, John yän ho͝os [key], 1369?–1415, Czech religious reformer. At the invitation of Holy Roman Emperor Sigismund, who granted him a safe-conduct, Huss presented himself in 1414 at the Council...

John of Procida

(Encyclopedia)John of Procida prōˈchēdä [key], c.1225–c.1302, Italian conspirator, lord of the island of Procida. He was an ardent supporter of the Hohenstaufen cause in Sicily and attempted to secure the isl...

John, king of England

(Encyclopedia)John, 1167–1216, king of England (1199–1216), son of Henry II and Eleanor of Aquitaine. John, though often cruel and treacherous, was an excellent administrator, much concerned with rendering...

Gerson, John

(Encyclopedia)Gerson, John (Jean Charlier de Gerson) gûrˈsən; zhäN shärlyāˈ də zhârsôNˈ [key], 1363–1429, French ecclesiastical statesman and writer. He studied (1377–94) under Pierre d'Ailly at the ...

O'Connor, John Joseph

(Encyclopedia)O'Connor, John Joseph, 1920–2000, American Roman Catholic cardinal, b. Philadelphia. He was ordained a priest in 1945 and served as a military chaplain for 27 years, achieving the rank of rear admir...

Leo III, Saint, pope

(Encyclopedia)Leo III, Saint, pope (795–816), a Roman; successor of Adrian I. He was attacked about the face and eyes by members of Adrian's family, who hoped to render him unfit for the papacy. Leo recovered and...

Martin IV, d. 1285, pope

(Encyclopedia)Martin IV, d. 1285, pope (1281–85), a Frenchman named Simon de Brie; successor of Nicholas III. He was chancellor under Louis IX of France and was created cardinal by Urban IV. He was thus a support...

Martin I, Saint, d. 655?, pope

(Encyclopedia)Martin I, Saint, d. 655?, pope (649–55?), an Italian, b. Todi; successor of Theodore I. On his accession he summoned a great council at the Lateran, as St. Maximus had urged, to deal with Monothelet...

Martin V, 1368–1431, pope

(Encyclopedia)Martin V, 1368–1431, pope (1417–31), a Roman named Oddone Colonna; successor of Gregory XII. He was created cardinal by Innocent VII, and in the schism (see Schism, Great) he attended and supporte...