Giacomo Casanova most famous and representative citizen. Casanova was cared for by his grandmother Marzia Baldissera while his mother toured about Europe in the theater. His father died when he was eight. As a child, Casanova suffered nosebleeds, and his grandmother sought help from a witch: "Leaving the gondola, we enter a hovel, where we find an old woman sitting on a pallet, with a black cat in her arms and five or six others around her." Though the unguent applied was ineffective, Casanova was fascinated by the incantation. Perhaps to remedy the nosebleeds (a physician blamed the density of Venice's air),
Giacomo Casanova them Madame de Pompadour, Count de Saint-Germain, d'Alembert, and Jean-Jacques Rousseau. So popular was alchemy among the nobles, particularly the search for the "philosopher's stone", that Casanova was highly sought after for his supposed knowledge, and he profited handsomely. He met his match, however, in the Count de Saint-Germain: "This very singular man, born to be the most barefaced of all imposters, declared with impunity, with a casual air, that he was three hundred years old, that he possessed the universal medicine, that he made anything he liked from nature, that he created diamonds." De Bernis decided to send Casanova