Léon d'Hervey de Saint Denys

Marie-Jean-Léon Lecoq was a French sinologist and man of letters, and one of the earliest oneirologists (specialists in the study of dreams). ([Source][1]) [1]: http://en.wikipedia.org/wiki/Marie-Jean-L%C3%A9on,_Marquis_d%27Hervey_de_Saint_Denys