Léonce Rosenberg
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Léonce Rosenberg was an art collector, writer, publisher and art dealer. He was a supporter and promoter of the cubists, especially during World War I and in the years immediately after.
Jean Metzinger, 1924, Portrait de Léonce Rosenberg, pencil on paper, 50 x 36.5 cm, Musée National d'Art Moderne, Centre Georges Pompidou, Paris
Jean Metzinger, invitation card for the exhibition at Léonce Rosenberg's Galerie de L'Effort Moderne, January 1919
Auguste Herbin, Galerie de L'Effort Moderne, exhibition invitation, March 1918
Cover of the first issue of the Bulletin de L'Effort Moderne, designed by Georges Valmier
Auguste Herbin
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Auguste Herbin was a French painter of modern art. He is best known for his Cubist and abstract paintings consisting of colorful geometric figures. He co-founded the groups Abstraction-Création and Sa
Auguste Herbin, Le pont de fer (Iron Bridge), 1911, oil on canvas, 63.5 by 80 centimetres (25.0 in × 31.5 in)