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
Autumn Rhythm (Number 30) which paint colors were applied to the work. Pollock began by painting the right third of the canvas, laying down a skein of thin black lines, and then adding other colors of paint (mostly browns and white, with a small amount of teal blue) using several methods of dripping and pouring to create a variety of types of lines and puddled areas of paint until the section began to resemble its finished state. He then moved on to the center section, and ultimately the left-hand section using the same process. Throughout the making of the work, he painted from all