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Robert Fountain (born in 1969) is a British mental calculator. He won the first Mental Calculation World Cup in 2004 and the second Mental Calculation World Cup in 2006. [1] [2] [3] In 1999 he was recognised by the Mind Sports Organisation as the first Grandmaster of Mental Calculation. Fountain was inspired to take up mental calculation as a ...
Willis Nelson Dysart (15 March 1923, in Omega, Georgia – 8 November 2011) [1] was an American mental calculator. His talent for arithmetic emerged at the age of three after his mother taught him to count. He quit school in the third grade (age 9) and pursued a career as a lightning calculator. [2] [3] [4] [5]
Mental calculation consists of arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator. People may use mental calculation when computing tools are not available, when it is faster than other means of calculation (such as conventional educational institution ...
A mental calculator or human calculator is a person with a prodigious ability in some area of mental calculation (such as adding, subtracting, multiplying or dividing large numbers). In 2005, a group of researchers led by Michael W. O'Boyle, an American psychologist previously working in Australia and now at Texas Tech University , has used MRI ...
Thomas Fuller (1710 – December 1790), also known as "Negro Demus" and the "Virginia Calculator", was an enslaved African renowned for his mathematical abilities. [ 1 ] History
George Lane (mental calculator) (born 1964), mental calculator and author George Lane (minister) (1842–1904), inaugural president-general of the Methodist Church of Australasia George Lane (musician) , pseudonym for Eric Dolphy (1928–1964) on John Coltrane's Olé Coltrane album
George Lane (born 1964) is a British mental calculator and author. He is a five-time gold medalist in the Mental Calculations event at the annual Mind Sports Olympiad , [ 1 ] [ 2 ] and is one of only five Grandmasters of Mental Calculation, [ 3 ] as recognised by the Mind Sports Organisation .
Salo Finkelstein (born 1896 or 1897, date of death unknown) was a mental calculator. He was born in Łódź (then within the Russian Empire , now in Poland ) to a Jewish family. While at school he was above average in mathematics, and discovered his calculating abilities as well as his faculty in memorizing numbers.