Quote from : A Visionary Madness: The Case of James Tilly Matthews and the Influencing Machine Book

Come the revolution, however, mesmerism was reconceived once more. From its beginnings many had seen it as an aristocratic fad: Mesmer (by this stage long gone to Germany and Switzerland) had made a fortune from the nobility, charged the huge fee of 100 livres for admission to his Society of Universal Harmony, and even been offered a pension for life by Marie-Antoinette.