Editing Vitello (section)

== Life ==
Vitello's exact birth-name and birthplace are uncertain. He was most likely born around 1230 in [[Silesia]], in the vicinity of [[Legnica]].<ref>{{cite book |last=Haisig |first=Marian |date=1977 |title=Legnica, monografia historyczna miasta |url=https://books.google.com/books?id=catFAAAAIAAJ&q=witelon%20legnica |location=Poland |publisher=Ossoliński |page=77 |language=pl}}</ref> His mother came from a Polish knightly house, while his father was a [[Germans|German]] settler from [[Thuringia]]. He called himself, in [[Latin]], "''Thuringorum et Polonorum filius''" — "a son of [[Thuringians]] and [[Polish people|Poles]]."  He studied at [[University of Padua|Padua University]] about 1260, then went on to [[Viterbo]].  He became friends with [[William of Moerbeke]], the translator of [[Aristotle]] from Greek language into Latin. Vitello's major surviving work on [[optics]], ''Perspectiva'', completed in about 1270–78,<ref>[http://www.columbia.edu/dlc/garland/deweever/UV/vitulon.htm CHAUCER NAME DICTIONARY Copyright © 1988, 1996 Jacqueline de Weever Published by Garland Publishing, Inc., New York and London.]</ref> was dedicated to William. In 1284 he described the [[Reflection (physics)|reflection]] and [[refraction]] of light.<ref name="RosenGothard2009">Joe Rosen; Lisa Quinn Gothard. ''[https://books.google.com/books?id=avyQ64LIJa0C Encyclopedia of Physical Science]''. Infobase Publishing; 2009. {{ISBN|978-0-8160-7011-4}}. p. 691.</ref>