Illustration of the book by Leo Taxil and J. Vindex ?œâ€?Marat ou les heros de la revolution?â€? Librairie anti-clericale (anti-clerical; anticlerical) 1883 - Jean-Paul Marat (1743 - 1793) scholar and physician: Franklin had discovered electricite; Marat immediately applied this discovery to medicine. It is to this man of science that we owe the first electrical apparatus for the war of nerve diseases - electrotherapy - electroshock - Cardon engraving -