Who was the mysterious Count Cagliostro? Depending on whom you ask, he was either a great healer and mystic or a dangerous charlatan whose revolutionary notions and influences threatened to undermine the monarchies of France and Russia. Whatever else he was, Count Alessandro di Cagliostro, the leader of an exotic brand of Freemasonry, was indisputably one of the most influential and notorious figures of the latter eighteenth century, overcoming...