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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.
Otto Piene was a German-American artist specializing in kinetic and technology-based art, often working collaboratively.
Walter Leblanc is a Belgian artist, one of the most important representatives of kinetic and optical art.
He studied at the Royal Academy of Fine Arts and the Higher Institute of Fine Arts in Antwerp.
Walter Leblanc gained international recognition as one of the founders and active participants in the avant-garde movements Nouvelle Tendance, ZERO, op art, kinetic art, concrete art. One of his famous works is the series "Twist Schemes".
