Cubism the 1950s and 1960s, especially by Clement Greenberg. Contemporary views of Cubism are complex, formed to some extent in response to the "Salle 41" Cubists, whose methods were too distinct from those of Picasso and Braque to be considered merely secondary to them. Alternative interpretations of Cubism have therefore developed. 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
Georges Stein Georges Stein Georges Stein was a late 19th and early 20th century French painter, best known for scenes of Parisian street life. Sources conflict about Stein's dates of birth and death. The Benezit Dictionary of Artists gives the year of birth as "c. 1870". The auction house "Christie's", among others, gives the dates 1855–1930, and the French National Library the dates 1870–1955. Moreover, the journal "L'Éventail" of 15 January 1918 mentions "the painter Georges Stein who recently died at Geneva". There is also some confusion as to the gender of Stein. While the Benezit Dictionary and "L'Éventail" refer to Stein