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. Prior to 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 Georg 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: