Museum Frieder Burda is showing a large retrospective of German artist Sigmar Polke. Sigmar Polke (born 1941) is one of the most important artists of postwar Germany. The huge exhibition at the Frieder Burda Museum in Baden-Baden combines the three major Sigmar Polke collections of Frieder Burda, Josef Froehlich and Reiner Speck. With its 170 [...]