Karl Wittgenstein was one of the richest men in Europe.

His friends subsequently included Ludwig Wittgenstein, Arnold Schönberg, Peter Altenberg and Karl Kraus.

Wittgenstein was born in Vienna, the son of the industrialist Karl Wittgenstein.

In his philosophy other outstanding figures followed in his footsteps — Hume and Kant in the 18th century, Arthur Schopenhauer in the 19th century, and Bertrand Russell, Ludwig Wittgenstein, and Karl Popper in the 20th century.

Aphoristic collections also make up an important part of the work of some modern authors, such as Josemaría Escrivá ( compiled from other spiritual authors ), Georg Christoph Lichtenberg, Johann Wolfgang von Goethe, Arthur Schopenhauer, Søren Kierkegaard, Friedrich Nietzsche, Ludwig Wittgenstein, Franz Kafka, Karl Kraus, Montaigne, La Rouchefoucauld, Stanislaw Jerzy Lec, Andrzej Majewski, Mikhail Turovsky, Antonio Porchia, Celia Green, Robert A. Heinlein, Blaise Pascal, E. M. Cioran and Oscar Wilde.

He was a first cousin of Fanny Wittgenstein, the mother of Karl Wittgenstein and the grandmother of the philosopher Ludwig Wittgenstein and the pianist Paul Wittgenstein.

In February 1829 old Wittgenstein, whose cautiousness bordered on timidity, was replaced by more energetic Hans Karl von Diebitsch, while the tsar left the army for St Petersburg.

The series took the form of Magee in conversation with a number of contemporary British philosophers, discussing both their own work, the work of earlier 20th century British philosophers ( and Wittgenstein and Karl Popper ), and the relationship between philosophy and other fields such as religion and the arts.

He wrote books about Ludwig Wittgenstein and Karl Popper ( translated into Spanish and Slovene ) and studied the history of Christianity in the Near East and in India ( Nestorian and the western-Syrian " monophysite " church ).

In the second half, Karl Marx replaces Ludwig Wittgenstein, but does nothing to advance the game.

He was born in Vienna to Max Salzer ( a doctor ) and Helene Wittgenstein ( a daughter of Karl Wittgenstein ).

Other shortlisted figures were David Hume ( 12. 7 %), Ludwig Wittgenstein ( 6. 8 %), Friedrich Nietzsche ( 6. 5 %), Plato ( 5. 6 %), Immanuel Kant ( 5. 6 %), Thomas Aquinas ( 4. 8 %), Socrates ( 4. 8 %), Aristotle ( 4. 5 %) and Karl Popper ( 4. 2 %).

He was one of the few Circle members ( along with Schlick and Friedrich Waismann ) to have extensive conversations with Ludwig Wittgenstein and Karl Popper.

* Ludwig Wittgenstein e Karl Popper: maestri di scuola elementare, 1976

Karl Popper called the process " conjectures and refutations ", which although expressing a core insight, has been shown to be too restrictive a characterization by the work of Michel Callon, Paul Feyerabend, Elihu M. Gerson, Mark Johnson, Thomas Kuhn, George Lakoff, Imre Lakatos, Bruno Latour, John Law, Susan Leigh Star, Anselm Strauss, Lucy Suchman, Ludwig Wittgenstein, etc .. Three basic kinds of participation in Ether are proposing, supporting, and opposing.

* Karl Wittgenstein, Austrian tycoon, father of:

Archduke Charles of Austria, Duke of Teschen (, also known as Karl von Österreich-Teschen ) ( Full name: Karl Ludwig Johann Josef Lorenz of Austria ) ( 5 September 1771 – 30 April 1847 ) was an Austrian field-marshal, the third son of emperor Leopold II and his wife Infanta Maria Luisa of Spain.

* Arndt, Karl J. R. George Rapp's Harmony Society, 1785 – 1847.

* Arndt, Karl J. R. George Rapp's Successors and Material Heirs, 1847 – 1916.

* Arndt, Karl J. R. George Rapp's Years of Glory: Economy on the Ohio, 1834 – 1847.

* Karl Oskar Medin ( 1847 – 1928 ), paediatrician, famous for his study of poliomyelitis ( Professor 1883-1914 )

Karl Oskar Medin ( August 14, 1847 – December 24, 1927 ) was a Swedish pediatrician.

In 1848 he was employed in arranging the valuable library of Old German literature of Freiherr Karl Hartwig von Meusebach ( 1781 – 1847 ), and superintending its removal from Baumgartenbrück, near Potsdam, to the Royal Library at Berlin.

The Swedish province of Uppland has been a stronghold for nyckelharpa music since the late 16th century, including musicians like Byss-Calle ( Karl Ersson Bössa, 1783 – 1847 ) from Älvkarleby.

Karl Marx and Friedrich Engels joined the League of the Just in 1847.

* Karl Heinisch ( 1847 – 1923 ), painter

* Karl Heinrich Barth ( 1847 – 1922 ), pianist

However, in 1847 Karl von Staudt introduced the term Throw ( Wurf ) to avoid the metrical implication of a ratio.

Utopian socialists never actually used this name to describe themselves ; the term " Utopian socialism " was introduced by Karl Marx and Friedrich Engels in The Communist Manifesto in 1848, although Marx shortly before the publication of this pamphlet already attacked the ideas of Pierre-Joseph Proudhon in Das Elend der Philosophie ( originally written in French, 1847 ) and used by later socialist thinkers to describe early socialist or quasi-socialist intellectuals who created hypothetical visions of egalitarian, communalist, meritocratic, or other notions of " perfect " societies without actually concerning themselves with the manner in which these societies could be created or sustained.

At a congress held in London in June 1847 the League of the Just merged with members of the Communist Corresponding Committee headed by Karl Marx and Friedrich Engels, adopting a new organizational charter and programme and reconstituting itself as the Communist League.

Karl Wilhelm Bücher ( 16 February 1847, Kirberg, Hesse – 12 November 1930, Leipzig, Saxony ) was an economist, one of the founders of non-market economics, and the founder of journalism as an academic discipline.

After the fall of the ministry of Karl von Abel ( 1788 – 1859 ) in 1847, he became chief Bavarian minister and head of the departments of foreign affairs and of justice, but was overthrown in the same year.

The Poverty of Philosophy (), German title Das Elend der Philosophie, is a book by Karl Marx published in Paris and Brussels in 1847, where he lived in exile in 1843-1849.

In 1847, he, together with Karl Marx and Friedrich Engels, became a founding member and Vizepräses ( vice president ) of the Demokratische Gesellschaft zur Einigung und Verbrüderung aller Völker ( Democratic Society for Unity and Brotherhood of All Peoples ), seated in Brussels.

He had begun to do so with his Overview of 1831, his Essay on Truth of 1834, a manuscript harder to date precisely but entitled Studies on the revolution, his Prolegomena of 1847 ( the following year Karl Marx issued the Communist Manifesto ).

* Archduke Karl of Austria-Teschen ( 3 January 1847, Vienna – 19 July 1848 ), died of smallpox and buried in tomb 131 of the Imperial Crypt.

He worked closely with a relatively small number of composers: Adolf Müller, who set 41 of Nestroy's texts between 1832 and 1847, Michael Hebenstreit who set 10 works from 1843 to 1850, Karl Binder who set seven from 1851 to 1859, as well as Anton M. Storch, Franz Roser, Carl Franz Stenzel, and Andreas Skutta.

He left two surviving sons: Karl Frederick, by whom he was succeeded, and Karl Bernhard, a distinguished soldier, who, after the Congress of Vienna, became colonel of a regiment in the service of the King of the Netherlands, distinguished himself as commander of the Dutch troops in the Belgian campaign of 1830 ( the ten days campaign ), and from 1847 to 1850 held the command of the forces in the Dutch East Indies.

* 1841 – Karl Binding, German jurist ( d. 1920 )

* 1881 – Karl Staaf, Swedish athlete ( d. 1953 )

* 1970 – Karl Unterkircher, Italian mountaineer ( d. 2008 )

* 1982 – Karl Davies, English actor

* 1905 – Karl Amadeus Hartmann, German composer ( d. 1963 )

Eastern European theorists include Pyotr Stolypin ( 1862 – 1911 ) and Alexander Chayanov ( 1888 – 1939 ) in Russia ; Adolph Wagner ( 1835 – 1917 ), and Karl Oldenberg in Germany, and Bolesław Limanowski ( 1835 – 1935 ) in Poland.

* 1891 – Karl Kobelt, Swiss politician ( d. 1968 )

* 1975 – Karl Yune, American actor

* 1945 – World War II – Fuehrerbunker: Adolf Hitler marries his longtime partner Eva Braun in a Berlin bunker and designates Admiral Karl Dönitz as his successor.

* 1966 – Karl Petter Løken, Norwegian footballer

* 1903 – German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.

* 1826 – Karl Gegenbaur, German anatomist ( d. 1903 )

* 1741 – Karl Friedrich Bahrdt, German theologian ( d. 1792 )

* 1963 – Karl Beattie, English director and producer

* 1894 – Karl Böhm, Austrian conductor ( d. 1981 )

* 1873 – Austrian explorers Julius von Payer and Karl Weyprecht discover the archipelago of Franz Joseph Land in the Arctic Sea.

* 1771 – Karl Philipp Fürst zu Schwarzenberg, Austrian field marshal ( d. 1820 )

* 1979 – Karl Wolf, Lebanese-Canadian singer-songwriter, musician, and producer ( Sky )

* 1985 – Karl Reindler, Australian race car driver

* 1945 – Adolf Hitler's designated successor Hermann Göring sends him a telegram asking permission to take leadership of the Third Reich, which causes Hitler to replace him with Joseph Goebbels and Karl Dönitz.

* 1918 – Karl Ferdinand Braun, German physicist, Nobel Prize laureate ( b. 1850 )