Giovanni Benedetto Castiglione Giovanni Benedetto Castiglione (baptized March 23, 1609 - 1664) was an Italian Baroque artist, painter, printmaker and draftsman, of the Genoese school. He is best known now for his elaborate engravings, and as the inventor of the printmaking technique of monotyping. He was known as Il Grechetto in Italy and in France as Le Benedette.