In 1913 Karl Jaspers visited Husserl at Göttingen.

* 1883 – Karl Jaspers, German philosopher ( d. 1969 )

The period from 900 to 200 BCE has been described by historians as the axial age, a term coined by German philosopher Karl Jaspers.

Philosopher Karl Jaspers, who had taken up residency in Switzerland, surrendered his German passport in protest.

Materialism developed, possibly independently, in several geographically separated regions of Eurasia during what Karl Jaspers termed the Axial Age ( approximately 800 to 200 BC ).

Weber's friend, the psychiatrist and existentialist philosopher Karl Jaspers, described him " the greatest German of our era " and his untimely death felt to Jaspers " as if the German world had lost its heart.

According to German philosopher Karl Jaspers, when Spinoza wrote " Deus sive Natura " ( God or Nature ) Spinoza did not mean to say that God and Nature are interchangeable terms, but rather that God's transcendence was attested by his infinitely many attributes, and that two attributes known by humans, namely Thought and Extension, signified God's immanence.

Karl Jaspers has classified psychotic delusions into primary and secondary types.

Adorno's critique of the dominant climate of post-war Germany was also directed against the pathos that had grown up around Heideggerianism, as practiced by writers like Karl Jaspers and Otto Friedrich Bollow, and which had subsequently seeped into public discourse.

** Karl Jaspers, German psychiatrist and philosopher ( b. 1883 )

* February 23 – Karl Jaspers, German philosopher ( d. 1969 )

Well-known philosophers such as Karl Jaspers, Leo Strauss, Ahmad Fardid, Hans-Georg Gadamer, Jean-Paul Sartre, Emmanuel Lévinas, Hannah Arendt, Maurice Merleau-Ponty, Michel Foucault, Richard Rorty, William E. Connolly, and Jacques Derrida have all analyzed Heidegger's work.

During the summer semester of 1919, Fromm studied at the University of Heidelberg, where he switched from studying jurisprudence to sociology under Alfred Weber ( brother of the better known sociologist Max Weber ), the psychiatrist-philosopher Karl Jaspers, and Heinrich Rickert.

Meanwhile, he continued with his work on his thesis, spending much of his time devoted to his own research in the history of psychology and psychiatry, visiting the Bibliothèque Nationale every day to read the work of psychologists like Ivan Pavlov ( 1849 – 1936 ), Jean Piaget ( 1896 – 1980 ) and Karl Jaspers ( 1883 – 1969 ).

In the wake of one of their breakups, Arendt moved to Heidelberg, where she wrote her dissertation, under the existentialist philosopher-psychologist Karl Jaspers, on the concept of love in the thought of Saint Augustine.

She became a close friend of Karl Jaspers and his Jewish wife, developing a deep intellectual friendship with him.

Her collection of essays Men in Dark Times presents intellectual biographies of some creative and moral figures of the 20th century, such as Walter Benjamin, Karl Jaspers, Rosa Luxemburg, Hermann Broch, Pope John XXIII, and Isak Dinesen.

* Hannah Arendt / Karl Jaspers Correspondence, 1926 – 1969.

Although non-specific concepts of madness have been around for several thousand years, the psychiatrist and philosopher Karl Jaspers was the first to define the three main criteria for a belief to be considered delusional in his 1913 book General Psychopathology.

In the final analysis Unamuno's significance is that he was one of a number of notable interwar intellectuals, along with luminaries such as Julien Benda, Karl Jaspers, Johan Huizinga and José Ortega y Gasset, who resisted the intrusion of ideology into western intellectual life.

Jaspers, the psychoactive substance in the book, is named for Karl Jaspers, a German psychiatrist and philosopher and contemporary of Martin Heidegger who claimed that individual authenticity required a joining with the " transcendent other ," traditionally known as God.

According to Karl Jaspers:

The Afroasiatic language family was originally referred to as " Hamito-Semitic ", a term introduced in the 1860s by the German scholar Karl Richard Lepsius.

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

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

* 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 )

He was a poet and a member of the völkisch agitators who, together with journalist Karl Harrer, founded the German Workers ' Party ( DAP ) in Munich with Gottfried Feder and Dietrich Eckart in 1919.

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

* 1875 – Karl Andree, German geographer ( b. 1808 )

* 1885 – Karl Theodor Ernst von Siebold, German physiologist ( b. 1804 )

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

Under the heading ‘ Individuality in Thought and Desire ’, Karl Marx, ( German Ideology 1845 ), says:

The dandy horse, also called Draisienne or laufmaschine, was the first human means of transport to use only two wheels in tandem and was invented by the German Baron Karl von Drais.

* Karl Benrath's German biography, translated into English by Helen Zimmern, with a preface by the Rev.

* Karl Benz ( 1844 – 1929 ), German engineer, inventor, and entrepreneur who built the first patented automobile in 1885

German psychiatrist Karl Leonhard split the classification again in 1957, employing the terms unipolar disorder ( major depressive disorder ) and bipolar disorder.

The event was also commemorated in a propaganda medal designed by the German engraver Karl Goetz.

He spelled his own given name with a " C " in order to identify with the classical Western tradition ; writers who wrongly use " Karl " are seeking to emphasize his German identity.

Key contributions were made by the Danish scholars Rasmus Rask and Karl Verner and the German scholar Jacob Grimm.

* 1969 – Karl Theodor Bleek, German politician ( b. 1898 )

In 1874 German scientist Karl Ferdinand Braun discovered the " unilateral conduction " of crystals.

* 1884 – Karl Schmidt-Rottluff, German painter ( d. 1976 )

* 1812 – Karl Eduard Zachariae von Lingenthal, German jurist ( d. 1894 )

Being himself one of the leaders of the Communist Party of Italy, ( CPI ), his theories had, in turn, been strongly influenced by the German social thinker Karl Marx, and have their ideological roots grounded in Marxist theory of false consciousness and capitalist exploitation.

* 1918 – Friedrich Karl von Hessen, a German prince elected by the Parliament of Finland to become King Väinö I, renounces the Finnish throne.