In the '50s, to appropriate was a real no-no. However, once you go from Duchamp to Jasper Johns to Warhol, appropriation becomes not only a common thing to do, but possibly the central way of working in the era we call postmodernism.
Irving SandlerIt's impossible in our postmodern era for anyone to be original - for anybody to do what Jackson Pollock did.
Irving Sandler