Jean-Paul Riopelle to abstract expressionism), in which he used myriad tumultuous cubes and triangles of multicolored elements, facetted with a palette knife, spatula, or trowel, on often large canvases to create powerful atmospheres. The presence of long filaments of paint in his painting from 1948 through the early 1950s has often been seen as resulting from a dripping technique like that of Jackson Pollock. Rather, the creation of such effects came from the act of throwing, with a palette knife or brush, large quantities of paint onto the stretched canvas (positioned vertically). Riopelle's voluminous impasto became just as important as color. His
Portrait of a Lady Known as Smeralda Brandini clients for many years, is likely that Cartwright has confused Viviano with his son Michelangelo (Michele) because in 1475, the year of the tournament of La Giostra to which she refers, Michele was only 18 years old and his father was much better known. Art historians note new features in the composition: "earlier Florentine portraits were in profile. The woman's three-quarter pose, with her hand on the window frame, was Botticelli's own invention". The portrait is thought to be the first example of a three-quarters pose in Florentine portrait painting. "By abandoning the profile pose traditionally used in depictions of