Robert Fountain (mental calculator)
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Robert Fountain is a British calculating prodigy.[1][2][3][4] He won the first MSO Mental Calculation World Championship in 1998 and the first Mental Calculation World Cup in 2004. In 1999 he became the first Grandmaster of Mental Calculation. He was inspired to take up mental calculation as a hobby at the age of 11 after seeing Wim Klein performing on television.[5]