Daniel-Henry Kahnweiler (25 June 1884 - 11 January 1979), was a German-born art historian, art collector, and one of the premier French art dealers of the 20th century. He became prominent as an art gallery owner in Paris beginning in 1907 and he was among the first champions of Pablo Picasso, Georges Braque and Cubism.
Read more about Daniel-Henry Kahnweiler: Early Life, Art Dealer, Art History, World War I and World War II, At The End, Sources