De Wain Valentine is an American minimalist sculptor who was born in Fort Collins, Colorado in 1936. Often associated with the Light and Space movement in the 1960s, he is best known for his translucent glass (such as Diamond Column in the collection of the Honolulu Museum of Art), fiberglass and cast polyester resin sculptures having slick surfaces suggestive of machine made objects. He lives and works in Gardena, California.