The Salon de la Rose + Croix was a series of six art and music salons hosted by Joséphin Péladan in 1890s Paris.
De Guaita became interested in occultism after reading a novel by Joséphin Péladan which was interwoven with Rosicrucian and occult themes.
Batignolles is now the home for the earthly remains of André Barsacq, Alexandre Benois, André Breton, Alfred Bruneau, Lucienne Bréval, Gaston Calmette, Blaise Cendrars, Léon Dierx, Pierre Dreyfus, Marguerite Durand, Hélène Dutrieu, Joséphin Péladan, Benjamin Péret, Ray Ventura, Paul Vidal, Édouard Vuillard and André Zirnheld (in the family grave), among others.
He made many portraits of his friends including Edgar Degas, Auguste Renoir, Berthe Morisot, Pierre Puvis de Chavannes, Eugène Labiche, Nina de Villard, Erik Satie, Joséphin Péladan, Edmond and Jules de Goncourt.
In 1900, Chabas moved to Neuilly-sur-Seine, where his studio became a hub for scholars like Camille Flammarion, Charles Richet, Maurice Maeterlinck, Léon Bloy, Lucien Lévy-Brulh, Joséphin Péladan, Edouard Schuré, and René Guénon.