2000s
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Heinz Mack is a German artist. Together with Otto Piene he founded the ZERO movement in 1957. He exhibited works at documenta in 1964 and 1977 and he represented Germany at the 1970 Venice Biennale. He is best known for his contributions to op art, light art and kinetic art.
![](https://veryimportantlot.com/cache/catalog/4729/gvPHSMuuB_FydliV9mI8wK8PZ6g01jVvg31BcW_GsmAKEP8SeivlHPZ6tJbsrrgD_1739344514-172x196_center_100.jpg)
![](https://veryimportantlot.com/uploads/art_data/Artist/2477/urn-newsml-dpa-com-20090101-181101-99-622266-large-4-3-jpg.jpg)
Sigmar Polke was a German painter and photographer.
Polke experimented with a wide range of styles, subject matters and materials. In the 1970s, he concentrated on photography, returning to paint in the 1980s, when he produced abstract works created by chance through chemical reactions between paint and other products. In the last 20 years of his life, he produced paintings focused on historical events and perceptions of them.
![](https://veryimportantlot.com/cache/catalog/4729/gvPHSMuuB_FydliV9mI8wK8PZ6g01jVvg31BcW_GsmAKEP8SeivlHPZ6tJbsrrgD_1739344514-172x196_center_100.jpg)
![](https://veryimportantlot.com/uploads/art_data/Artist/2477/urn-newsml-dpa-com-20090101-181101-99-622266-large-4-3-jpg.jpg)
Sigmar Polke was a German painter and photographer.
Polke experimented with a wide range of styles, subject matters and materials. In the 1970s, he concentrated on photography, returning to paint in the 1980s, when he produced abstract works created by chance through chemical reactions between paint and other products. In the last 20 years of his life, he produced paintings focused on historical events and perceptions of them.
![](https://veryimportantlot.com/cache/catalog/4729/gvPHSMuuB_FydliV9mI8wK8PZ6g01jVvg31BcW_GsmAKEP8SeivlHPZ6tJbsrrgD_1739344514-172x196_center_100.jpg)