This English man memorized the number Pi to thousands of decimal places, his IQ has been measured at around 150, he has demonstrated an ability to perform difficult calculations in his mind in seconds, he has an amazing talent for memorizing huge lists of numbers, names and faces and he can write backwards with ease. His memory has been described as "superhuman". Daniel Tammet? Nup! Taxi driver Tom Morton.
Memory man left Pi and dry.
BBC News. March 8, 1998