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[[Image:Hgfru5.jpg|right|thumb|Justus van Ghent's depiction of Euclid. No likeness or description of Euclid's physical appearance made during his lifetime survives.]]

[[Image:Hgfru5.jpg|right|thumb|Justus van Ghent's depiction of Euclid. No likeness or description of Euclid's physical appearance made during his lifetime survives.]]

'''Euclid''' was a [[Greeks|Greek]] mathematician who lived 325-365 B.C. in [[Hellenistic]] [[Alexandria]].  He was the father of [[geometry]] and  wrote the ''[[Elements]]'' which is considered to be one of the most successful mathematics textbooks ever. Euclid's Elements focuses mainly on [[geometry]] but also has a small amount of number theory dealing with [[prime number|prime numbers]] and even [[perfect number|perfect numbers]].

'''Euclid''' was a [[Greeks|Greek]] mathematician who lived 325-365 B.C. in [[Hellenistic]] [[Alexandria]].  He was the father of [[geometry]] and  wrote the ''[[Elements]]'' which is considered to be one of the most successful mathematics textbooks ever. Euclid's Elements focuses mainly on [[geometry]] but also has a small amount of number theory dealing with [[prime number]]s and even [[perfect number]]s.

{{quotation|Euclid's ''Elements'' form one of the most beautiful and influential works of [[science]] in the history of [[humankind]]. Its beauty lies in its [[logic]]al development of geometry and other branches of mathematics. It has influenced all branches of science but none so much as mathematics and the [[exact sciences]].}}  

{{quotation|Euclid's ''Elements'' form one of the most beautiful and influential works of [[science]] in the history of [[humankind]]. Its beauty lies in its [[logic]]al development of geometry and other branches of mathematics. It has influenced all branches of science but none so much as mathematics and the [[exact sciences]].}}  

==In poetry==

==In poetry==

The poet Edna St. Vincent Millay wrote a [[sonnet]], "Euclid alone has looked on Beauty bare," an appreciation of the intrinsic beauty of mathematics. <ref>[http://www.cs.rice.edu/~ssiyer/minstrels/txt/604.txt Euclid alone has looked on Beauty bare], online text</ref>

The poet Edna St. Vincent Millay wrote a [[sonnet]], "Euclid alone has looked on Beauty bare," an appreciation of the intrinsic beauty of mathematics.<ref>[http://www.cs.rice.edu/~ssiyer/minstrels/txt/604.txt Euclid alone has looked on Beauty bare], online text</ref>

Vachel Lindsay's poem, ''Euclid,'' views him in a less reverential way:

Vachel Lindsay's poem, ''Euclid,'' views him in a less reverential way:

<references/>

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==External Links==

==External links==

*[http://aleph0.clarku.edu/~djoyce/java/elements/elements.html Euclid's elements], All thirteen books, with interactive diagrams using [[Java]].

troll [http://aleph0.clarku.edu/~djoyce/java/elements/elements.html Euclid's elements], All thirteen books, with interactive diagrams using [[Java]].

*[http://euclides.org Euclid's elements], All thirteen books, in Spanish and Catalan.

troll [http://euclides.org Euclid's elements], All thirteen books, in Spanish and Catalan.

*[http://www.math.tamu.edu/~dallen/history/greekorg/greekorg.html The Origins of Greek Mathematics]

troll [http://www.math.tamu.edu/~dallen/history/greekorg/greekorg.html The Origins of Greek Mathematics]

*[http://www.relativitycalculator.com/philosophy_of_mathematics.shtml A Thumbnail History of the Philosophy of Mathematics]

troll [http://www.relativitycalculator.com/philosophy_of_mathematics.shtml A Thumbnail History of the Philosophy of Mathematics]

[[Category:Mathematicians]]

[[Category:Mathematicians]]

[[Category:Ancient Greece]]

[[Category:Ancient Greece]]