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Witelo
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Witelo - also known as Erazmus Ciolek Witelo, Witelon, Vitellio, Vitello, Vitello Thuringopolonis, Vitulon, Erazm Ciolek, (born ca. 1230 probably in the village of Borek in Lower Silesia; died after 1280, before 1314), was a Silesian and Polish friar, theologian and scientist: physicist, natural philosopher, mathematician. His is an important figure in the History of philosophy in Poland. On the Moon there is a crater, Vitello, named after Witelo.
lo's mother was from a Polish knightly house, while his father was a German settler from Thuringia.
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Encyclopedia
Witelo - also known as Erazmus Ciolek Witelo, Witelon, Vitellio, Vitello, Vitello Thuringopolonis, Vitulon, Erazm Ciolek, (born ca. 1230 probably in the village of Borek in Lower Silesia; died after 1280, before 1314), was a Silesian and Polish friar, theologian and scientist: physicist, natural philosopher, mathematician. His is an important figure in the History of philosophy in Poland. On the Moon there is a crater, Vitello, named after Witelo.
Life
Witelo's mother was from a Polish knightly house, while his father was a German settler from Thuringia. He called himself, in Latin, "Turingorum et Polonorum filius"—"a son of Poland and Thuringia." He studied at Padua University about 1260, then went on to Viterbo. He became friends with William of Moerbeke, the translator of Aristotle. Witelo's major surviving work on optics, Perspectiva, completed in about 1270–78, was dedicated to William.
Perspectiva
Witelo's Perspectiva was largely based on the work of the Arab polymath Alhacen (Ibn al-Haytham; d. ca. 1041) and in turn powerfully influenced later scientists, in particular Johannes Kepler. Witelo's treatise in optics was closely linked to the Latin version of Ibn al-Haytham's Arabic opus: Kitab al-manazir (The Book of Optics; De aspectibus or Perspectivae), and both were printed in the Friedrich Risner edition Opticae Thesaurus (Basel, 1572).
Witelo's Perspectiva, which rested on Ibn al-Haytham's research in optics, influenced also the Renaissance theories of perspective. Lorenzo Ghiberti's Commentario terzo (Third Commentary) was based on an Italian translation of Witelo's Latin tract: Perspectiva.
Witelo's treatise also contains much material in psychology, outlining views that are close to modern notions on the association of ideas and on the subconscious.
Perspectiva also includes Platonic metaphysical discussions. Witelo argues that there are intellectual and corporeal bodies, connected by causality (corresponding to the Idealist doctrine of the universal and the actual), emanating from God in the form of Divine Light. Light itself is, for Witelo, the first of all sensible entities, and his views on light are similar to those held by Roger Bacon, though he is closer in this to Alhazen's legacy.
Other works
In Perspectiva, Witelo refers to other works that he had written. Most of these do not survive, but De Natura Daemonum and De Primaria Causa Paenitentiae have been recovered.
See also
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