Roy Lichtenstein is an american artist famous for his blown up paintings of Ben-Day dots, the printing technique behind newspaper and comics printing. Lichtenstein referred to his work as industrial painting and is considered a part of the Pop Art tradition which drew inspiration from popular images.

Below you can see an example of artist David Barsalou showing the inspiration and source of Lichtenstein’s work. A collection of these comparisons can also be found on his flickr page.