What is synthetic cubism ?
Wider views of Cubism include artists who were later associated with the " Salle 41 " artists , e.g. , Francis Picabia ; the brothers Jacques Villon , Raymond Duchamp - Villon and Marcel Duchamp , who beginning in late 1911 formed the core of the Section d'Or ( or the Puteaux Group ) ; the sculptors Alexander Archipenko , Joseph Csaky and 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 ) .