Complex sentence: Olaf Wieghorst (April 30,1899, Viborg, Denmark--April 27,1988, California, United States) was a painter of the American West in the vein of Frederic Remington and Charles Russell.
Split into simpler sentences: Olaf Wieghorst (April 30,1899--April 27,1988) was born in Viborg, Denmark and died in California, United States. He was a painter of the American West in the vein of Frederic Remington and Charles Russell.