Hanns Heinz Ewers (November 3, 1871 in Düsseldorf - June 12, 1943 in Berlin) was a German actor, poet, philosopher and writer, known especially for several novels and stories. Although he wrote works from a wide variety of genres, he is best known for his horror stories, especially for his trilogy of novels about the adventures of Frank Braun, a character that inspired him from himself. The best known of these is the second novel, Alraune (Mandrágora) (1911)