Gian Giacomo Caprotti da Oreno, nicknamed Salai or Il Salaino (“The Little Unclean One” i.e., the devil), entered Leonardo’s household in 1490. After only a year, Leonardo made a list of his misdemeanours, calling him “a thief, a liar, stubborn, and a glutton”, after he had made off with money and valuables on at least […]