Complex sentence: Stanislav Konstantinovich Smirnov (born 3 September 1970) is a Russian mathematician currently working at the University of Geneva, who was awarded the Fields Medal in 2010.
Split into simpler sentences: Stanislav Konstantinovich Smirnov (born 3 September 1970) is a Russian mathematician currently working at the University of Geneva. He was awarded the Fields Medal in 2010.