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Early years: Frankfurt

Theodor W. Adorno (alias: Theodor Adorno-Wiesengrund) was born as Theodor Ludwig Wiesengrund in Frankfurt am Main on 11 September 1903, the only child of Maria Calvelli-Adorno della Piana (1865–1952) and Oscar Alexander Wiesengrund (1870–1946). His mother, a Catholic from Corsica, was once a professional singer, while his father, an assimilated Jew who had converted to Protestantism, ran a successful wine-export business. Proud of her origins, Maria wanted her son's paternal surname to be supplemented by the addition of her name, Adorno. Thus his earliest publications carried the name Theodor Wiesengrund-Adorno. Upon his application for US citizenship, his name was modified to Theodor W. Adorno.

His childhood was marked by the musical life provided by his mother and aunt. Maria was a singer who could boast of having performed in Vienna at the Imperial Court, while her sister, Agathe, who lived with them, had made a name for herself as both a singer and pianist. He was not only a precocious child but, as he recalled later in life, a child prodigy who could play pieces by Beethoven on the piano by the time he was twelve.

At the age of six, he attended the Deutschherren Middle School, before transferring to the Kaiser-Wilhelm Gymnasium, where he studied from 1913 to 1921. Before his graduation at the top of his class, Adorno was already swept up by the revolutionary mood of the time, as is evidenced by his reading of György Lukács 's The Theory of the Novel that year, as well as by his fascination with Ernst Bloch 's The Spirit of Utopia, of which he would later write:

Bloch's was a philosophy that could hold its head high before the most advanced literature; a philosophy that was not calibrated to the abominable resignation of methodology... I took this motif so much as my own that I do not believe I have ever written anything without reference to it, either implicit or explicit.

Adorno's intellectual nonconformism was also shaped by the repugnance he felt towards the nationalism that swept through the Reich during the First World War. Along with future collaborators Walter Benjamin, Max Horkheimer, and Bloch, Adorno was profoundly disillusioned by the ease with which Germany's intellectual and spiritual leaders—among them Max Weber, Max Scheler, Georg Simmel, as well as his friend Siegfried Kracauer —came out in support of the war. The younger generation's distrust for traditional knowledge arose from how this tradition had discredited itself. Over time, Oscar Wiesengrund's firm established close professional and personal ties with the factory of Karplus & Herzberger in Berlin. The eldest daughter of the Karplus family, Margarete, or Gretel, moved into the intellectual circles of Berlin, where she became acquainted with Benjamin, Bertolt Brecht, and Bloch, each of whom Adorno would become familiar with during the mid-1920s. After fourteen years, Gretel Karplus and Adorno were married in 1937.

At the end of his schooldays, Adorno not only benefited from the rich concert offerings of Frankfurt—where one could hear performances of works by Schoenberg, Schreker, Stravinsky, Bartók, Busoni, Delius, and Hindemith —but also began studying music composition at the Hoch Conservatory while taking private lessons with well-respected composers Bernhard Sekles and Eduard Jung. At around the same time, he befriended Siegfried Kracauer, the Frankfurter Zeitung ' s literary editor, of whom he would later write:

For years Kracauer read Critique of Pure Reason with me regularly on Saturday afternoons. I am not exaggerating in the slightest when I say that I owe more to this reading than to my academic teachers... Under his guidance, I experienced the work from the beginning not as mere epistemology, not as an analysis of the conditions of scientifically valid judgments, but as a kind of coded text from which the historical situation of spirit could be read, with the vague expectation that in doing so one could acquire something of truth itself.

Leaving gymnasium to study philosophy, psychology and sociology at Johann Wolfgang Goethe University in Frankfurt, Adorno continued his readings with Kracauer, turning now to Hegel and Kierkegaard, and began publishing concert reviews and pieces of music for distinguished journals like the Zeitschrift für Musik, the Neue Blätter für Kunst und Literatur and later for the Musikblätter des Anbruch. In these articles, Adorno championed avant-garde music at the same time as he critiqued the failings of musical modernity, as in the case of Stravinsky's The Soldier's Tale, which in 1923 he called a "dismal Bohemian prank". In these early writings he was unequivocal in his condemnation of performances that either sought or pretended to achieve a transcendence that Adorno, in line with many intellectuals of the time, regarded as impossible. "No cathedral", he wrote, "can be built if no community desires one." In the summer of 1924 Adorno received his doctorate with a study of Edmund Husserl under the direction of the unorthodox neo-Kantian Hans Cornelius. Before his graduation, Adorno had already met his most important intellectual collaborators, Horkheimer and Benjamin. It was through Cornelius's seminars that Adorno met Horkheimer, through whom he was then introduced to Friedrich Pollock.