Category Archives: Biographical Sketches

Christine de Pizan: Renaissance Woman (1365-c. 1431)

Christine de Pizan was a French lady born in Venice, and is sometimes considered the first woman of letters produced by France. The daughter of a medical doctor / astrologer who had been trained at the University of Bologna and … Continue reading

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John of Paris (ca. 1241-1306)

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Giles of Rome (ca. 1247-1316)

Aegidius Romanus, more commonly known as Giles of Rome, was one of the most influential of high papalist theologians in the latter half of the thirteenth century and early part of the fourteenth.[1] Born in or around the year of … Continue reading

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Rollo of Normandy (ca. 860-ca. 932)

Rollo, sometimes known as “Rolf,” belonged to the savage “Northmen” (the Vikings) who descended upon Western Christendom in semi-regular, yet always unpredictable savage raids for nearly three centuries beginning in the mid-ninth century.:”(Some of this information has been taken from … Continue reading

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William the Conqueror (1028-1087)

William, the Duke of Normandy under whose rule the Norman Conquest of England occurred in the year of the Lord’s incarnation 1066, was born into a very troubled social and political situation and almost did not make it through his … Continue reading

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John of Salisbury (ca. 1115-1180)

John of Salisbury was born in the year of the Lord’s incarnation 1115 (or, at the latest, 1120) in the ancient British town of Old Sarum, near present day Salisbury. His was a fascinating time, for, as one puts it, … Continue reading

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Humbert of Silva Candida, Cardinal (ca. 1015-1061)

Little seems to be known of the life of this important figure of the eleventh century beyond his written contributions to several important controversies. He was born sometime around the turn of the millennium, and as a young man became … Continue reading

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William of Ockham (1290-1350)

William of Ockham is often known (at least by name) by his most famous intellectual tool, “Ockham’s Razor”. This principle states, basically, that when analyzing the world one should avoid “multiplying entities unnecessarily.” The meaning of this is set within … Continue reading

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Marsilius of Padua (1270-1343)

Of Marsilius of Padua Pope Clement VI (r. 1342-1352) thundered “that he had never read a more pestilent heretic.”:”(Mandell Creighton, <em>A History of the Papacy From the Great Schism to the Sack of Rome, Vol. 1</em> [New York and Bombay: … Continue reading

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Marsilius of Padua (1275/80-1342)

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