Jean Metzinger see the cubist works in Room 7 and 8. While Pablo Picasso and Georges Braque are generally acknowledged as the founders of the twentieth-century movement that became known as Cubism, it was Jean Metzinger, together with Albert Gleizes, that created the first major treatise on the new art-form, "Du "Cubisme"", in preparation for the Salon de la Section d'Or held in October 1912. "Du "Cubisme"", published the same year by Eugène Figuière in Paris, represented the first theoretical interpretation, elucidation and justification of Cubism, and was endorsed by both Picasso and Braque. "Du "Cubisme"", which preceded Apollinaire's well known essays,
Western use of the swastika in the early 20th century luck. The swastika's worldwide use was well documented in an 1894 publication by the Smithsonian. The symbol appeared in many popular, non-political Western designs from the 1880s to the 1920s, with occasional use continuing into the 1930s. Western use of the motif was subverted in the early 20th century after it was adopted as the emblem of the Nazi Party (). The swastika was used as a conveniently geometrical and eye-catching symbol to emphasise the so-called Aryan-German correspondence and instill racial pride. Since World War II, most Westerners have known the swastika as a Nazi symbol, leading to confusion about