(b Frankfurt, Sept 11, 1903; d Brig, Switzerland, Aug 6, 1969). German writer on music and philosopher. The son of a businessman of Jewish extraction, Oscar Alexander Wiesengrund, and a professional singer of Catholic Corsican origin, Maria Calvelli-Adorno della Piana, he adopted his mother's name in the 1920s, initially as Weisengrund-Adorno, dispensing with the hyphen in 1938. In 1937–8 he also wrote briefly under the pseudonym Hektor ‘Rottweiler’.
Strongly influenced by Ernst Bloch's Vom Geist der Utopie and Georg Lukács's Theorie des Romans while still at school, and having had a musical upbringing, with piano, violin and composition lessons from an early age, in 1921 he went on to study philosophy (with Hans Cornelius) at the University of Frankfurt with musicology, sociology and psychology as subsidiary subjects, continuing composition studies with Bernhard Sekles and piano with Eduard Jung. During his student years he became friendly with the philosopher Max Horkheimer and the literary critic Walter Benjamin, who both had considerable influence on his development. Three years after starting university he took the doctorate with a dissertation on Husserl (...