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Woody Vasulka was an American video artist and pioneer of electronic abstraction who, alongside his wife Steina, developed pioneering approaches to video synthesis and signal processing in the 1970s and 1980s. Working with analog video equipment as a sculptural and compositional tool, he created abstract moving images by manipulating electromagnetic signals directly, treating the video medium itself as the primary material. His work established video art as a distinct formal practice independent of documentation or narrative cinema.