REMOVE

1. gray (color)
2. 1953

WHAT

1. Visual works (hierarchy n … (2)
2. abstraction (2)
3. black (color) (2)
4. oil paint (paint) (2)

More 

WHERE

1. New York, New York (2)

WHO

1. Still, Clyfford (2)

WHEN

1. Abstract Expressionist (2)