Math genius Worlds greatest math prodigy Mathematics savant Maths 3.14 Pi Day March 14 Daniel Tammet
At 3.14 (3 minutes 14 seconds) David Letterman learns what pi means! Daniel Tammet is an amazing math genius who memorised pi to 20,000 places. Is he the world's greatest math prodigy? He is an amazing mathematics savant or maths prodigy.