DES MOINES, IOWA.- From April 5 – July 15, 2012, the Des Moines Art Center will exhibit American abstract expressionist artist Jackson Pollock’s 1943 groundbreaking painting, Mural. On loan from the University of Iowa Museum of Art, Mural has been said to be one of the most important modern American paintings. Jackson Pollock is considered by many art historians to be the quintessential American artist. He was a founding member of Abstract Expressionism, the movement that established the United States, and specifically New York City, as the center of Western culture after World War II. In 1947, the art critic Clement Greenberg called Pollock the “most powerful painter in contemporary America.” This is the painting that helped establish his career. The art dealer and patron Peggy Guggenheim gave Mural to the University of Iowa in 1951, in part as a response