The paper focuses on Prometheus' iconography, that had great spread in European art from the 1860's and the first decades of the 20th century. The topic has been so far poorly deepened in a specific manner. After Baroque, that used to emphasize on gruesome and macabre aspects of Prometheus' myth, the figure of the Titan partially went back to the top during Romanticism; but it is mainly in the Symbolist age that the myth was taken up with increasing frequency and intensity by the artists, often in the framework of its esoteric-theosophical (sometimes gnostic) interpretation. From this point of view, the figure of Prometheus assumes evident allegorical meanings, as emblem of man's liberation from the restrictions of his condition: stealing ...