ELD4897000 Portrait of Franz-Anton Mesmer (1734-1815) (Frederic Antoine Mesmer - Franz Anton Mesmer) German doctor, founder of the theory of animal magnetism (mesmerism). 19th century (Engraving from ???yster-des-sciences-occultes??; Private Collection; (add.info.: Franz Anton mesmer, German physician with an interest in astronomy, who theorised that there was a natural energetic transference that occurred between all animated and inanimate objects that he called animal magnetism, sometimes later referred to as mesmerism.); Photo by The Holbarn Archive.