Stefan Zweig, Johannes Proelss, Mark Twain, John Forster, Theodor Lessing, Paul Schlenther, George Sand, Hugo Ball, Maxim Gorki, Gundolf Friedrich, Otto Harnack, Hanns Heinz Ewers, Thekla Schneider, Rudolf Köpke, Konrad Alberti, Ricarda Huch, Eduard Grisebach