"Guernica," one of Pablo Picasso's most spectacular and controversial ... by many critics to be typical of Picasso's so-called "abstract" art. The work is not calculated to "please" its onlookers.

Georgia O’Keeffe, Pablo Picasso and Aino-Maija Metsola’s works show the two-dimensional mathematical geometric and fluid organic shapes that can be used in Art and Design. A positive shape has ...