-20-5, name the artist from following clues for the stated amount of points.  
-20-5, name the artist from following clues for the stated amount of points.  30: His works in the 1970's and 80's departed greatly from his earlier works, emphasizing brush strokes and still lifes, whereas before he painted western scenes.  20: This American earned the distinction of being the first American artist to have an exhibit at London's Tate Gallery.  5: His most famous works imitating comic strips were combinations of commercial art and abstraction, featuring bright colors, black outlines.
-20-5, name the artist from following clues for the stated amount of points.  
Roy { LICHTENSTEIN}