Born in Cologne in 1936 and based in New York since 1965, Haacke's strong political, cultural and social concerns are reflected in his installations, texts and sculptures. Throughout his fifty-year career Haacke has frequently changed the presentation of his art to get his message across. Often borrowing from non-art sources such as corporate advertising, questionnaires or scientific experimentation, Haacke is probably the most successful and best-known late twentieth-century artist to create a...