(born 1960) – German literary researcher, German Studies scholar and writer. Member of the German Academy of Language and Literature (Deutsche Akademie für Sprache und Dichtung). He received a PhD for his dissertation on Thomas Mann, Geister und Kunst. He was a visiting professor at Stanford University. Author of many books, of which The Two Lolitas, Speak, Nabokov and Bluebeard’s Chamber: Guilt and Confession in Thomas Mann were published in English.