Pythagoras was an Ionian Greek person who used an extensive knowledge of mathematics in his work.
Joel Alan Byrom -LRB- born 14 September 1986 -RRB- is an English professional footballer who plays as a midfielder for League Two club Mansfield Town .. Mansfield Town. Mansfield Town F.C.. footballer. association football. midfielder. midfielder. League Two. EFL League Two. Byrom started his career at Blackburn Rovers at the age of 14 , and spent four and a half years on the club 's books , progressing from their centre of excellence to the reserve team .. Blackburn Rovers. Blackburn Rovers F.C.. centre of excellence. youth system. reserve team. Blackburn Rovers F.C.#Reserves. However , he failed to make any first-team appearances for the club , and was subsequently released in summer 2006 .. He joined League Two outfit Accrington Stanley before the start of the 2006 -- 07 season , but only managed a total of two appearances .. Accrington Stanley. Accrington Stanley F.C.. League Two. EFL League Two. He was released by the club in January 2007 , and opted to join local side Clitheroe on a short-term basis .. Clitheroe. Clitheroe F.C.. Byrom then joined Southport , scoring twice in two appearances for the side , before rejoining Clitheroe in August 2007 ; captaining the side at the age of 20 .. Clitheroe. Clitheroe F.C.. Southport. Southport F.C.. He attracted the interest of Northwich Victoria , who subsequently signed him for a small four-figure fee in January 2008 .. Northwich Victoria. Northwich Victoria F.C.. Byrom spent a year and a half at the Cheshire club , before joining Stevenage for a fee of # 15,000 in May 2009 -- helping them achieve promotion to the Football League for the first time in the club 's history .. Stevenage. Stevenage F.C.. Cheshire. Cheshire. the Football League. the Football League. Byrom was also part of the Stevenage side that earned back-to-back promotions to League One during the 2010 -- 11 season .. Stevenage. Stevenage F.C.. He has also played for the England C team and earned his solitary cap in a game against the Belgium U21 team .. England C. England C national football team. cap. cap ( sport ). Belgium U21. Belgium national under-21 football team