Complex sentence: Richard Riemerschmid (20 June 1868--13 April 1957) was a German architect and city planner from Munich, he trained as a painter and was a major figure in Art Nouveau in Germany, and a member of the Deutscher Werkbund.
Split into simpler sentences: Richard Riemerschmid (20 June 1868--13 April 1957) was a German architect and city planner from Munich. He trained as a painter and was a major figure in Art Nouveau in Germany, and a member of the Deutscher Werkbund.