Complex sentence: Charlotte "Lotte" Reiniger (2 June 1899--19 June 1981) was a German film director and the pioneer of silhouette animation as we now know it today.
Split into simpler sentences: Charlotte "Lotte" Reiniger (2 June 1899--19 June 1981) was a German silhouette animator and film director. She was the pioneer of silhouette animation as we now know it today.