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Author photo. Photo by Moritz Nähr / Ludwig Wittgenstein circa 1930 / Photo © <a href="http://www.bildarchivaustria.at">ÖNB/Wien</a>

Photo by Moritz Nähr / Ludwig Wittgenstein circa 1930 / Photo © ÖNB/Wien

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13,122 (13,913)781,386 (4.16)770
Tractatus Logico-Philosophicus (Author) 3,495 copies, 38 reviews
Philosophical Investigations 2,949 copies, 15 reviews
On Certainty (Author) 1,168 copies, 3 reviews
Culture and Value 585 copies, 2 reviews
Remarks on Colour 360 copies, 1 review
Zettel 264 copies
Ein Reader. 17 copies, 1 review
Brieven 16 copies
Diarios, conferencias 9 copies, 1 review
Filosofia 9 copies
Wittgenstein 7 copies
Fiches 5 copies
WITTGENSTEIN I 3 copies, 1 review
observaciones 3 copies
Schriften 2 copies
Wittgenstein 2 copies

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Ludwig Wittgenstein, born in Vienna, Austria to a wealthy family, is considered by some to have been the greatest philosopher of the 20th century. He continues to influence philosophical thought in topics as varied as logic and language, perception and intention, ethics and religion, aesthetics and culture. As a soldier in the Austrian army in World War I, he was captured in 1918 and spent the remaining months of the war in a prison camp, where he wrote the notes and drafts of his first book, Tractatus Logico-Philosophicus. It was published in 1921 in German and then translated into English the following year.
In the 1930s and 1940s, he conducted seminars at Cambridge University, his alma mater, and wrote his second book, Philosophical Investigations, which was published posthumously. His conversations, lecture notes, and letters, have since been published in several volumes, including Ludwig Wittgenstein and the Vienna Circle, The Blue and Brown Books, and Philosophical Grammar.
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