Karlsruhe. The Bonn-born Siegen artist Thomas Kellner successfully showed his work with the Cologne in focus Galerie at Art Karlsruhe last weekend. In particular, the photography with the exhibition Ernst Ludwig Kirchner of the Davos Museum and the presentation of in focus Galerie received a wide response. At the same time Kellner is among the selected works of North Rhine-Westphalian artists whose exhibition " The Great" opened on Saturday at the Düsseldorf Kunstpalast and can be seen until mid-May.