Frank Stella, a painter, sculptor and printmaker whose constantly evolving works served as landmarks of the minimalist and post-painterly abstraction art movements, has died

He moved American art away from Abstract Expressionism toward cool minimalism. His explorations of color and form were endlessly discussed and constantly on exhibit.

His constantly evolving works have been hailed as landmarks of the minimalist and post-painterly abstraction art movements

Ever restless, Frank Stella dynamically shifted his work in both style and scale while defying categorical boundaries between painting and sculpture as he became one of America's most prolific artists of the past half century.

The artist, who has died at eighty-seven, rattled standards of modernist abstraction rather as Bob Dylan did those of folk music.