Section d'Or of revealing the complete process of transformation and renewal that had transpired since the onset of Cubism. The group seems to have adopted the name "Section d'Or" as both an homage to the mathematical harmony associated with Georges Seurat, and to distinguish themselves from the narrower style of Cubism developed in parallel by Pablo Picasso and Georges Braque in the Montmartre quarter of Paris. In addition, the name was to highlight that Cubism, rather than being an isolated art-form, represented the continuation of a grand tradition: indeed, the golden ratio, or golden section () had fascinated Western intellectuals of diverse
Braque Triptych is encased in glass. Braque Triptych The Braque Triptych (or the Braque Family Triptych) is a c. 1452 oil-on-oak altarpiece by the Early Netherlandish painter Rogier van der Weyden. When open, its three half-length panels reveal, from left to right, John the Baptist, The Virgin Mary with Jesus and Saint John the Evangelist, and on the right, Mary Magdalene. When the wings are closed, the work shows a vanitas motif of a skull and cross. "The Braque Triptych" is the only surviving devotional work by van der Weyden known to be painted for private rather than public display. The altarpiece