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Ad Reinhardt
Ad Reinhardt was an American abstract artist and art critic. He is best known for his abstract "black paintings," which were typically composed of black rectangles with subtle variations in tone that made the works appear to be different colors. Reinhardt was a leading proponent of the color field painting movement and his works are known for their repressed emotion and their sparing use of color. Additionally, Reinhardt was a noted art critic, writing for outlets such as Art News and Partisan Review. He was an advocate for abstract expressionism and a noted critic of cultural and art world commercialism. His writing and artwork have had a significant influence on contemporary art.
Source: OpenAi