His circle included the musicians Alexander von Zemlinsky and Franz Schreker, the painter Gustav Klimt, the writer and satirist Karl Kraus, the architect Adolf Loos, and the poet Peter Altenberg.

Discovered by Arthur Schnitzler in 1894, appreciated by Hugo von Hofmannsthal and Karl Kraus.

Altenberg was a contemporary of Karl Kraus, Gustav Mahler, Arthur Schnitzler, Gustav Klimt, and Adolf Loos, with whom he had a very close relationship.

As a writer of polemics in the tradition of Nietzsche and Karl Kraus, Adorno delivered scathing critiques of contemporary Western culture.

In Vienna, he attended public lectures of the satirist Karl Kraus with Berg and met Lukács, who had been living in Vienna after the failure of the Hungarian Soviet Republic.

Cultural critic Karl Kraus, with his brilliantly controversial magazine Die Fackel, advanced the field of satirical journalism, becoming the literary and political conscience of this era.

Some of the University's better-known students include: Christian Doppler, Kurt Adler, Franz Alt, Bruno Bettelheim, Rudolf Bing, Lucian Blaga, Josef Breuer, F. F. Bruce, Elias Canetti, Ivan Cankar, Otto Maria Carpeaux, Felix Ehrenhaft, Mihai Eminescu, Paul Feyerabend, Heinz Fischer, O. W. Fischer, Ivan Franko, Sigmund Freud, Alcide De Gasperi, Ernst Gombrich, Kurt Gödel, Erich Göstl, Franz Grillparzer, Jörg Haider, Edmund Husserl, Hugo von Hofmannsthal, Marie Jahoda, Elfriede Jelinek, Percy Lavon Julian, Karl Kautsky, Elisabeth Kehrer, Hans Kelsen, Rudolf Kirchschläger, Arthur Koestler, Jernej Kopitar, Karl Kordesch, Karl Kraus, Bruno Kreisky, Richard Kuhn, Paul Lazarsfeld, Gustav Mahler, Tomáš Garrigue Masaryk, Lise Meitner, Gregor Mendel, Franz Mesmer, Franc Miklošič, Alois Mock, Matija Murko, Pope Pius III, Maxim Podoprigora, Hans Popper, Karl Popper, Otto Preminger, Wilhelm Reich, Peter Safar, Mordkhe Schaechter, Arthur Schnitzler, Albin Schram, Wolfgang Schüssel, Joseph Schumpeter, Theodor Herzl, John J. Shea, Jr., Adalbert Stifter, Yemima Tchernovitz-Avidar, Kurt Waldheim, Otto Weininger, Stefan Zweig, and Huldrych Zwingli.

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

Following his death in 1933, Loos ’ body was moved to Vienna ’ s Zentralfriedhof to rest among the great artists and musicians of the city – including Arnold Schoenberg, Peter Altenberg, and Karl Kraus, all some of Loos ’ closest friends and associates.

Among Schnabel's many piano pupils were Clifford Curzon, Rudolf Firkušný, Adrian Aeschbacher, Lili Kraus, Leon Fleisher, Carlo Zecchi, Claude Frank, Leonard Shure, Alan Bush, Nancy Weir, Konrad Wolff, Jascha Spivakovsky, Eunice Norton, Henry Jolles, Maria Curcio, Noel Mewton-Wood and radio personality Karl Haas.

He may have had further unacknowledged illegitimate offspring as well, such as Karl Eugin von Mühlfeld by Victoria Kraus ; Hélène Napoleone Bonaparte ( 1816 – 1910 ) by Albine de Montholon ; and Jules Barthélemy-Saint-Hilaire, whose mother remains unknown.

Der Sturm published poetry and prose from contributors such as Peter Altenberg, Max Brod, Richard Dehmel, Alfred Döblin, Anatole France, Knut Hamsun, Arno Holz, Karl Kraus, Selma Lagerlöf, Adolf Loos, Heinrich Mann, Paul Scheerbart, and René Schickele, and writings, drawings, and prints by such artists as Kokoschka, Kandinsky, and members of Der blaue Reiter.

Berg first saw Die Büchse der Pandora in 1905 in a production by Karl Kraus, but did not begin work on his opera until 1929, after he had completed his other opera,

Strauss ' closest friend was Jacob Klein but he also was intellectually engaged with Karl Löwith, Julius Guttman, Hans-Georg Gadamer, Franz Rosenzweig ( to whom Strauss dedicated his first book ), Gershom Scholem, Alexander Altmann, and the Arabist Paul Kraus, who married Strauss ' sister Bettina ( Strauss and his wife later adopted their child when both parents died in the Middle East ).

* Karl Kraus, Austrian writer

Among his major works as a literary critic are essays on Goethe's novel Elective Affinities ; the work of Franz Kafka and Karl Kraus ; translation theory ; the stories of Nikolai Leskov ; the work of Marcel Proust and perhaps most significantly, the poetry of Charles Baudelaire.

* " Karl Kraus " ( 1931 in the Frankfurter Zeitung ).

He would also write at various times both for and against Karl Kraus, a convert from Judaism to Roman Catholicism.

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.

* Karl Kraus ( 1874 – 1936 ), writer

* He appears in Karl Kraus ' tragedy The Last Days of Mankind in act 1 scene 24.

Plaque of Karl Kraus on the house where he was born in Jicin | Jičín

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.

Albert ( full name: Frederick Augustus Albert Anton Ferdinand Joseph Karl Maria Baptist Nepomuk Wilhelm Xaver Georg Fidelis ) ( Dresden, 23 April 1828 – Schloss Sibyllenort ( Szczodre ), 19 June 1902 ) was a King of Saxony and a member of the House of Wettin.

Karl Ferdinand Braun ( 6 June 1850 – 20 April 1918 ) was a German inventor, physicist and Nobel laureate in physics.

Maximilian Karl Emil " Max " Weber (; 21 April 1864 – 14 June 1920 ) was a German sociologist, philosopher, and political economist who profoundly influenced social theory, social research, and the discipline of sociology itself.

Friedrich Wilhelm Christian Karl Ferdinand von Humboldt ( 22 June 1767 – 8 April 1835 ) was a Prussian philosopher, government functionary, diplomat, and founder of the University of Berlin, which was named after him ( and his brother, naturalist Alexander von Humboldt ) in 1949.

* April 20 – Karl Ferdinand Braun, German phyicist, Nobel Prize laureate ( b. 1850 )

* April 25 – Karl Ludwig von Phull, German military leader ( b. 1757 )

* April 26 – Karl Möbius, German ecologist ( born 1825 )

* April 11 – Karl Adolph von Basedow, German physician ( b. 1799 )

* April 1 – Emperor Karl I of Austria ( b. 1887 )

* April 1 – Karl Gottlob Zumpt, German scholar ( d. 1849 )

* April 23 – Karl Friedrich Bahrdt, German theologian and adventurer ( b. 1741 )

* April 8 – Stephanie de Beauharnais, adopted daughter of Napoleon Bonaparte, marries Prince Karl Ludwig Friedrich of Baden.

* April 15 – Karl Dane, Danish actor ( b. 1886 )

* April 16 – Christian Karl August Ludwig von Massenbach, Prussian soldier ( d. 1827 )

* April 18 – Karl Philipp Fürst zu Schwarzenberg, Austrian field marshal ( d. 1820 )

* April 11 – Karl Wilhelm Ramler, German poet ( b. 1725 )

* April 5 – Karl XII becomes king of Sweden upon the death of his father, Karl XI.

* April 12 – Karl Sverkersson is murdered by Knut Eriksson ( son of Eric Jedvardsson ), who proclaims himself king of Sweden.

* 1 April 1965 – Karl Weber ( CDU ) succeeds Bucher as Minister of Justice.

By Karl Bodmer, aquatint made at Saint Louis, Missouri in March or April 1833 when Massika pleaded for the release of Chief Blackhawk following the Black Hawk War.

# Maria Amalia of Saxony ( 26 September 1757-20 April 1831 ) married Karl II August of Zweibrücken and had issue.

* April 1986-The term high-temperature superconductor was first used to designate the new family of cuprate-perovskite ceramic materials discovered by Johannes Georg Bednorz and Karl Alexander Müller ,< ref > for which they won the Nobel Prize in Physics the following year.