jacopo strada was an italian polymath courtier of the 16th century, a painter, architect, goldsmith, inventor of machines, numismatist, linguist, collector and merchant of works of art. his portrait by titian has kept his image familiar. he is supposed to have received early training as a goldsmith in the mantua workshops of giulio romano; drawings of giulio's palazzo del tè and of its painted interiors and those of the palazzo ducale…