Depending on whom you ask, he was either a great healer or a dangerous charlatan. Internationally acclaimed historian Iain McCalman documents how Cagliostro crossed paths -- and often swords -- with the likes of Catherine the Great, Marie Antoinette, and Pope Pius VI. He was a muse to William Blake and the inspiration for both Mozart's Magic Flute and Goethe's Faust. Louis XVI had him thrown into the Bastille for his alleged involvement in what would come to...
