Keith Sonnier (born 1941, Mamou, Louisiana) is a Postminimalist, performance, video and light artist. Sonnier was one of the first artists to use light in sculpture in the 1960s, and has been one of the most successful with this technique. Sonnier was a part of the Process Art Movement.
The materials Sonnier has used include: neon and fluorescent lights; reflective materials; aluminum and copper; and glass and wires.
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