Pope Innocent III was Pope from 8 January 1198 until his death. His birth name was Lotario dei Conti di Segni, sometimes anglicised to Lothar of Segni. Pope Innocent was one of the most powerful and influential popes in the history of the p...

Gregory IX, Pope 1227-1241, who founded the papal Inquisition. In 1227 he excommunicated Frederick II when the emperor delayed in keeping his pledge to lead a Crusade. Gregory ordered an attack on the kingdom of Sicily in the emperor's abse...

Saint Francis of Assisi was an Italian Catholic friar and preacher. He founded the men's Order of Friars Minor, the women’s Order of St. Clare, and the Third Order of Saint Francis for men and women not able to live the lives of itinerant p...

Albertus Magnus, also known as Saint Albert the Great and Albert of Cologne, was a Dominican friar who achieved fame for his comprehensive knowledge of and advocacy for the peaceful coexistence of science and religion. He is considered to b...

Pope Clement IV, was elected Pope February 5, 1265, in a conclave held at Perugia that took four months, while cardinals argued over whether to call in Charles of Anjou, the youngest brother of Louis IX of France (1226–70), to carry on the...

Saint Elizabeth of Hungary was a princess of the Kingdom of Hungary, Countess of Thuringia, Germany and a greatly-venerated Catholic saint. Elizabeth was married at the age of 14, and widowed at 20. She then became one of the first members...

Rumi was a 13th-century Persian poet, jurist, Islamic scholar, theologian, and Sufi mystic. Rumi's influence transcends national borders and ethnic divisions: Iranians, Tajiks, Turkish, Greeks, Pashtuns, other Central Asian Muslims, and the...

Pope Nicholas III, a Roman named Giovanni Gaetano Orsini; successor of John XXI. As a cardinal he made a great reputation in diplomacy, and he was a close confidant of popes for 30 years. He was elected pope after a six-month delay. Nichola...

Hulagu Khan was a Mongol ruler who conquered much of Southwest Asia. Son of Tolui and the Kerait princess Sorghaghtani Beki, he was a grandson of Genghis Khan, and the brother of Arik Boke, Möngke Khan and Kublai Khan. Hulagu's army greatly...

William of Rubruck was a Flemish Franciscan missionary and explorer. His account is one of the masterpieces of medieval geographical literature comparable to that of Marco Polo and Ibn Battuta. Born in Rubrouck, Flanders, he is known also a...

Saint Bonaventure was the eighth Minister General of the Order of Friars Minor, commonly called the Franciscans. He was a scholastic theologian and medieval philosopher, a contemporary of Thomas Aquinas, and a Cardinal Bishop of Albano. He...

Thomas Aquinas was an Italian Dominican priest of the Catholic Church, and an immensely influential philosopher and theologian in the tradition of scholasticism, known as Doctor Angelicus, Doctor Communis, or Doctor Universalis. He was the...

Pope Boniface VIII was Pope of the Roman Catholic Church from 1294 to 1303. Boniface VIII put forward some of the strongest claims to temporal, as well as spiritual, supremacy of any Pope and constantly involved himself with foreign affairs...

Pope John XXII, born Jacques Duèze (or d'Euse), was pope from 1316 to 1334. He was the son of a shoemaker in Cahors. He studied medicine in Montpellier and law in Paris. The two-year gap (sede vacante) between the death of Pope Clement V in...

Eckhart von Hochheim, commonly known as Meister Eckhart, was a German theologian, philosopher and mystic, born near Gotha, in the Landgraviate of Thuringia in the Holy Roman Empire. Eckhart came into prominence during the Avignon Papacy,...