Clifford Thorburn

Clifford Charles Devlin Thorburn CM (born January 16, 1948) is a Canadian retired professional snooker player. Nicknamed "The Grinder" because of his slow, determined style of play, he won the World Snooker Championship in 1980, defeating Alex Higgins 18–16 in the final to become the first world champion in the sport's modern era from outside the United Kingdom.