Duns Scotus(1266 — 1308)

John Duns Scotus was nicknamed the “subtle doctor” (Doctor Subtilis) by his contemporaries, so fine and meticulous were his distinctions and his reasoning. This reputation for extreme subtlety earned him immense admiration in medieval universities, where his arguments were studied as models of precision.

In the early sixteenth century, his followers, the “Scotists,” fiercely opposed the disciples of Thomas Aquinas in university debates. Later, opponents mocked these theologians, deemed too hair-splitting, by calling them “dunses”: it is from his name, Duns, that the English word “dunce” comes — an ironic turnaround for one of the sharpest minds of his time.

Duns Scotus vigorously defended the idea that the Virgin Mary had been preserved from original sin from the moment of her conception (the Immaculate Conception), while many theologians, including Thomas Aquinas, doubted it. His argument gradually prevailed, and the Church made it an official dogma in 1854, more than five centuries after his death.

He taught successively at Oxford, Paris, and then Cologne, traveling across the Europe of the universities. He died suddenly in Cologne in 1308, at only about 42 years old, leaving behind an immense body of work that was often unfinished and difficult for his students to reconstruct.

Pope John Paul II beatified him in 1993, recognizing the spiritual value of this Franciscan thinker nearly seven centuries after his death. A persistent legend, almost certainly false, claims that he was buried alive by mistake — which says much about the mysterious aura surrounding his figure.