Keith Sonnier (July 31, 1941 – July 18, 2020) was a postminimalist sculptor, performance artist, video and light artist. Sonnier was one of the first artists to use light in sculpture in the 1960s, and was one of the most successful with this technique. Sonnier was a part of the Process Art movement.
Keith Sonnier Red Flocked Wall1969
Fontana saw his work as a classic representation of what he called “a spatial environment” and described it as “a …