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Witelo

Cover of Vitellonis Thuringopoloni opticae libri decem (Ten Books of Optics by the Thuringo-Pole Witelo)

Witelo (also Erazmus Ciolek Witelo; Witelon; Vitellio; Vitello; Vitello Thuringopolonis; Vitulon; Erazm Ciołek; born ca. 1230, probably in Legnica in Lower Silesia; died after 1280, before 1314) was a friar, theologian and scientist: a physicist, natural philosopher, mathematician. He is an important figure in the history of philosophy in Poland. On the Moon there is a crater, Vitello, named after him.

Contents

  • Life 1
  • Perspectiva 2
  • Other works 3
  • See also 4
  • Notes 5
  • References 6
  • External links 7

Life

Witelo's mother was from a Polish knightly house, while his father was a German settler from Thuringia. He called himself, in Latin, "Thuringorum et Polonorum filius" — "a son of Thuringians and Poles." 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,[1] was dedicated to William. In 1284 he described reflection and refraction of light.[2]

Perspectiva

Page from a manuscript of De Perspectiva, with miniature of its author Witelo

Witelo's Perspectiva was largely based on the work of the Persian polymath Alhazen (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).[3]

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.[4]

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.[5]

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

Notes

  1. ^ CHAUCER NAME DICTIONARY Copyright © 1988, 1996 Jacqueline de Weever Published by Garland Publishing, Inc., New York and London.
  2. ^ Joe Rosen; Lisa Quinn Gothard. Encyclopedia of Physical Science. Infobase Publishing; 2009. ISBN 978-0-8160-7011-4. p. 691.
  3. ^ Nader El-Bizri, "A Philosophical Perspective on Alhazen’s Optics", Arabic Sciences and Philosophy, Vol. 15, Issue 2 (2005), pp. 189-218 (Cambridge University Press)
  4. ^ Graziela F. Vescovini, "Contributo per la storia della fortuna di Alhazen in Italia: II volgarizzamento del MS. Vat. 4595 e il Commentario terzo del Ghiberti, Rinascimento, V (1965), pp. 1749 -- Also (Ibid, El-Bizri, 2005)
  5. ^ Ibid, El-Bizri, 2005

References

  • Clemens Baeumker, "Witelo: Ein Philosoph und Naturforscher des dreizehnten Jahrhunderts," Beiträge zur Geschichte der Philosophie des Mittelalters, part 3, no. 2, Münster, Aschendorff, 1908.
  • Władysław Tatarkiewicz, Historia filozofii (History of Philosophy), 3 vols., Warsaw, Państwowe Wydawnictwo Naukowe, 1978.
  • Jerzy Burchardt, "The Discovery of the Rainbow in Crystal by Witelo"
  • "Witelonis Perspectivae liber primus", Wrocław 1977

External links

  • Online Galleries, History of Science Collections, University of Oklahoma Libraries High resolution images of works by and/or portraits of Witelo in .jpg and .tiff format.
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