Guillaume Bude (1467?1540), ca. 1536, Oil on wood, 15 5/8 x 13 1/2 in. (39. 7 x 34. 3 cm), Paintings, Jean Clouet (French, active by 1516?died 1540/41 Paris), Painter to King Francis I, Jean Clouet played a key role in establishing the Renaissance portraiture tradition in France, yet this is his only extant painted portrait. It depicts Guillaume Bude, librarian to Francis I and the leading humanist of sixteenth-century France