Museo Nacional Thyssen‐Bornemisza features German Expressionist paintings George Grosz, Metrópolis, 1916-1917 (detail). Oil on canvas, 100 x 102 cm. Museo Nacional Thyssen-Bornemisza, Madrid MADRID .- When in 1961 Baron Hans Heinrich Thyssen‐Bornemisza acquired Young Couple by Emil Nolde he initiated a change of direction in the Thyssen familys collecting activities. While his father Henrich Thyssen had assembled a remarkable collection of Old Masters during the interwar period, between the 1960s and 1990s Hans Heinrich would be extremely active as a collector of the principal 20th‐...