"Seen/Unseen Known/Unknown" at Benesse House, Naoshima, Kagawa prefecture, Japan
Walter Joseph De Maria (October 1, 1935 – July 25, 2013) was an American artist, sculptor, illustrator and composer, who lived and worked in New York City. Walter de Maria's artistic practice is connected with Minimal art, Conceptual art, and Land art of the 1960s.
LACMA director Michael Govan said, "I think he's one of the greatest artists of our time." Govan, who worked with De Maria for a number of years, found De Maria's work "singular, sublime and direct".