Complex sentence: Richard Alexander Leman (born 13 July 1959 in East Grinstead, West Sussex) is a former field hockey player, who was a member of the gold medal winning British squad at the 1988 Summer Olympics in Seoul.
Split into simpler sentences: Richard Alexander Leman (born 13 July 1959) is a former field hockey player. He was a member of the gold winning Great Britain squad in the 1988 Summer Olympics in Seoul.