Lichtenstein

 Roy Lichtenstein Art:

The Ben-Day dots printing process, Depending on the effect, color and optical illusion needed, small colored dots are closely spaced, widely spaced or overlapping.

Warhol was a print maker and he created screen print artworks on paper in mass production. Lichtenstein's work was primarily on canvas. He worked with paints. He's famous for his ben-day dots- those tiny circles that create shade and shadow in his art.