Oscar Adolf Hermann Schmitz was a sought after German social writer and member of the Munich Bohème.
Schmitz contributed significantly to the development of fantastic literature with his narrative work Hashisch, published in 1902. It plays with taboo topics such as eroticism, Satanism, sadism, religion, death and intoxication.
With his brother-in-law, the graphic artist and illustrator Alfred Kubin, he travelled throughout Europe, North Africa and Russia, as well as Munich, Salzburg, Rome, Paris and Berlin.