Strobl's 1910 novel Eleagabal Kuperus was adapted as the film Nachtgestalten in 1920, starring Conrad Veidt and directed by Richard Oswald.
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Strobl became a prolific writer of fiction, especially "schauerromanen"—horror stories influenced by Edgar Allan Poe and Hanns Heinz Ewers.
Karl Marx | Hans Christian Andersen | Hans Holbein the Younger | Hans Zimmer | Hans Werner Henze | Karl Pilkington | Karl Lagerfeld | Karl G. Heider | Karl Rove | Karl Pearson | Karl May | Karl Liebknecht | Karl Friedrich Schinkel | Karl Dönitz | Karl Jenkins | Hans Memling | Hans Pfitzner | Hans Küng | Karl Stefanovic | Hans Conried | Hans Knappertsbusch | Karl Bodmer | Hans Magnus Enzensberger | Hans-Dietrich Genscher | Hans Blix | Hans Zender | Hans Scholl | Hans Hofmann | Hans Christian Ørsted | Karl Wilhelm Friedrich Schlegel |
The success of these works caused Meyrink to be ranked as one of the three main German-language supernatural fiction authors (along with Hanns Heinz Ewers and Karl Hans Strobl ).