Cubism Ossip Zadkine as well as Jacques Lipchitz and Henri Laurens; and painters such as Louis Marcoussis, Roger de La Fresnaye, František Kupka, Diego Rivera, Léopold Survage, Auguste Herbin, André Lhote, Gino Severini (after 1916), María Blanchard (after 1916) and Georges Valmier (after 1918). More fundamentally, Christopher Green argues that Douglas Cooper's terms were "later undermined by interpretations of the work of Picasso, Braque, Gris and Léger that stress iconographic and ideological questions rather than methods of representation." John Berger identifies the essence of Cubism with the mechanical diagram. "The metaphorical model of Cubism is the diagram: The diagram being a
Immigration from China in the early 20th century Immigration from China in the early 20th century Significant Chinese immigration to the United States began with the California Gold Rush, in the late 1840s. Many of these immigrants were single men who worked for a time and then returned to China with their earnings. In subsequent decades, however, significant numbers of Chinese immigrants had settled permanently, and were competing for low-level jobs with other ethnic immigrant groups. Immigration from China was restricted by the Chinese Exclusion Act, passed in 1882. In all, 4,441 Chinese immigrants came to the USA through the Ellis Island Immigration Station, while others came to