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[[Image:Ludwig Wittgenstein.jpg|thumb|Ludwig Wittgenstein]]
''' Ludwig Josef Johann Wittgenstein''' (Vienna, 1889 - 1951) was a [[philosopher]], the most influential of the twentieth century. He was pupil of [[Bertrand Russell]] and received the influence of [[Arthur Schopenhauer]] and [[Gottlob Frege]].
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Raised in a prominent Viennese family, Ludwig Wittgenstein studied engineering in Germany and England, but became interested in the foundations of mathematics and pursued philosophical studies with Moore at Cambridge before entering the Austrian army during World War I. [http://www.philosophypages.com/ph/witt.htm]
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Wittgenstein wrote the ''Tractatus Logico-Philosophicus'' and ''Philosophical Investigations''; both concern with [[logic]] and [[language]].
== See also ==
*[[Philosophy]]
== External links ==
*[http://www.iep.utm.edu/w/wittgens.htm Ludwig Wittgenstein]
*[http://www.philosophypages.com/ph/witt.htm Ludwig Wittgenstein]
[[Category:Philosophy]]