With Horkheimer as dean of the Arts Faculty, then rector of the university, responsibilities for the Institute's work fell upon Adorno. At the same time, however, Adorno renewed his musical work: with talks at the Kranichsteiner Musikgesellschaft, another in connection with a production of Ernst Krenek's opera "Leben des Orest", and a seminar on "Criteria of New Music" at the Fifth International Summer Course for New Music at Kranichstein. Adorno also became increasingly involved with the publishing house of Peter Suhrkamp, inducing the latter to publish Benjamin's "Berlin Childhood Around 1900", Kracauer's writings and a two-volume edition of Benjamin's writings. Adorno's own recently published "Minima Moralia" was not only well received in the press, but also met with great admiration from Thomas Mann, who wrote to Adorno from America in 1952: