Cubism first phase of Cubism, known as "Analytic Cubism", a phrase coined by Juan Gris a posteriori, was both radical and influential as a short but highly significant art movement between 1910 and 1912 in France. A second phase, "Synthetic Cubism", remained vital until around 1919, when the Surrealist movement gained popularity. English art historian Douglas Cooper proposed another scheme, describing three phases of Cubism in his book, "The Cubist Epoch". According to Cooper there was "Early Cubism", (from 1906 to 1908) when the movement was initially developed in the studios of Picasso and Braque; the second phase being called "High
Crystal Cubism clearest and most intelligible definition of Cubism. At the outset of the First World War many artists were mobilized: Metzinger, Gleizes, Braque, Léger, de La Fresnaye, and Duchamp-Villon. Despite the brutal interruption, each found the time to continue making art, sustaining differing types of Cubism. Yet they discovered a ubiquitous link between the Cubist syntax (beyond pre-war attitudes) and that of the anonymity and novelty of mechanized warfare. Cubism evolved as much a result of an "evasion" of the inconceivable atrocities of war as of nationalistic pressures. Along with the evasion came the need to diverge further and further away