MADRID.- The first retrospective on the Russian artist Marc Chagall to be organised in Spain opens on 14 February at the Museo Thyssen-Bornemisza and Fundación Caja Madrid. More than 150 works from public and private collections and institutions around the world will be on display in the two venues, offering a complete overview of the career of one of the leading artists of the 20th century: a unique creative figure with a highly distinctive style who played a key role in the history of modern art. The MoMA and the Guggenheim in New York, the Kunsthaus Zurich, the Kunstmuseum Berne, the Stedelijk Museum Amsterdam, the Tel Aviv Museum of Art, and Tate Modern in London are among the twenty international museums that have lent key works from their collections, to be seen alongside others from private collections. Particularly important is the loan from the Centre Pompidou in Paris, which is sending 20 works,