A French novelist of Dutch ancestry, who wrote several decadent novels, including A Rebours and La Bas, which included a description of the Black Mass. He was fascinated with the satanic crimes of Gilles de Rais. Becoming involved in a feud between Joesph Antoine Boullan and Stanislas de Guaita made portrayed Boullan as Dr. Johannes in La Bas. A.G.H.
Source: 62, 124.