The pop art movement began in London during the 1950's and then quickly spread throughout nearly all of the industrialized world. Although the artists did have some overlapping styles, pop art focuses more on the subject and less on style, which was left up to each individual artist. The main themes that is evident in all pop art revolves around modern social values. The style in which these values were portrayed varied depending on the culture and artist. Critic Barbara Rose claimed in her review of a Pop Art show that Pop Art, " I wish to disagree with the assumption that pop art is an art s