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 specifically Indo-European symbol, and associated it with the ancient migrations of Proto-Indo-Europeans. He connected it with similar shapes found on ancient pots in Germany, and theorised that the swastika square was a "significant religious symbol of our remote ancestors", linking Germanic, Greek and Indo-Iranian cultures. Later discoveries of the motif among the remains of the Hittites and of ancient Iran seemed to confirm this theory, but the symbol was also known for its use by indigenous American Indians as well as Eastern cultures. By the early 20th century it was used worldwide and was regarded as a symbol of good