Question: What is the date of birth of the founder of magazine Der Eigene?
Sentence (from "Der Eigene"): Brand contributed many poems and articles; other contributors included writers Benedict Friedlaender, Hanns Heinz Ewers, Erich Mühsam, Kurt Hiller, Ernst Burchard, John Henry Mackay, Theodor Lessing, Klaus Mann, and Thomas Mann, as well as artists Wilhelm von Gloeden, Fidus, and Sascha Schneider.
Relevant evidence: No