Complex sentence: Klas Ivar Vilhelm Lestander (born 18 April 1931) is a Swedish former biathlete who won a gold medal at the 1960 Winter Olympics in Squaw Valley.
Split into simpler sentences: Klas Ivar Vilhelm Lestander (born 18 April 1931) is a Swedish former biathlete and Olympic champion. He won a gold medal at the 1960 Winter Olympics in Squaw Valley.