The Fanatics of Tangier. Delacroix offered an explanation of the subject in his brochure for the 1838 Salon: “These fanatics are called Issaouis, after their founder Ben Issa. At certain times of year, they meet outside towns; then, their enthusiasm excited by prayers and wild cries, they enter into a veritable state of intoxication, and, spreading through the streets, perform a thousand contortions, and even dangerous acts