NEW YORK, NY.- Gagosian Gallery announced that John Chamberlain has died on December 21, 2011, in Manhattan. Brandishing a wicked sense of humor and notoriously ornery, Chamberlain was a larger-than-life personality who was as bold and expressive as his sculptures, photographs, paintings, and films. He was constantly experimenting with new materials and processes over his five-decade long careerincluding discarded automobile parts, galvanized steel, paper bags, Plexiglas, foam rubber, aluminum foil–revealing a near-constant stream of inventiveness. His recent exhibitionsin Giswil, Switzerland, in 2009 and 2010; at Gagosian Gallerys New York and London locations in the spring of 2011; and at the Pinakothek der Moderne in Munch, Germany, in the summer of 2011– featured some of the largest and most jubilant sculptures of his career, proving that despite his advancing age, the artist