The term CUBIST BEFORE RUBIK refers to the Spanish artist Pablo Picasso, who was a major figure in the Cubist movement of the early 20th century. Picasso is widely considered to be one of the most influential artists of the modern era, and his work has had a profound impact on the development of modern art. He is best known for his cubist paintings, which often featured fragmented figures and objects. Picasso's influence on the art world was so great that he is often referred to as the 'father of modern art.'