Art 21 James Turrell Ann Hamilton Laylah Ali Laurie Anderson James Baldessari Matthew Barney Louise Bourgeois Cai Guo-Qiang Cao Fei Vija Celmins Michael Ray Charles Mel Chin Trenton Doyle Hancock Oliver Herring Jenny Holzer William Kentridge Margaret Kilgallen Kimsooja Jeff Koons Barbara Kruger An My Le Maya Lin Florian Maier-Aichen Sally Mann Kerry James Marshall Paul McCarthy Barry McGee Julie Mehretu Bruce Nauman Gabriel Orozco Pepon Osorio Paul Pfeiffer Lari Pittman Martin Puryear Matthew Ritchie Doris Salcedo Collier Schorr Richard Serra Cindy Sherman Yinka Shonibare Shahzia Sikander Hiroshi Sugimoto Do Ho Suh Ursula von Rydingsvard Kara Walker Carrie Mae Weems William Wegman William Wegman Fred Wilson Krzysztof Wodiczko Andrea Zittel