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
Painter of Berlin A 34 the best representatives of Protoattic vase painting. Following ancient tradition, he executed the faces of his figures as silhouette drawings. Their clothing, as well as decorative rosettes were applied in red and white paint. He used orientalising zigzag patterns and rosettes. On some of his vases, instead of using the conventional silhouette technique, he applied white paint directly onto a black slip base. His ornamentation is uniform and resembles contemporary Corinthian vases. His activity probably ceased by 620 BC, as no further vases by him are known. Although he is generally considered a pioneer, the breakthrough of the black-figure technique