▁to ▁an ▁established ▁journal . ▁When ▁Green ▁published ▁his ▁Ess ay , ▁it ▁was ▁sold ▁on ▁a ▁subscription ▁basis ▁to ▁ 5 1 ▁people , ▁most ▁of ▁whom ▁were ▁friends ▁and ▁probably ▁could ▁not ▁understand ▁it . ▁ ▁The ▁wealth y ▁land owner ▁and ▁math ematic ian ▁Sir ▁Edward ▁B rom head ▁bought ▁a ▁copy ▁and ▁encourag ed ▁Green ▁to ▁do ▁further ▁work ▁in ▁mathematics . ▁Not ▁bel ieving ▁the ▁offer ▁was ▁s inc ere , ▁Green ▁did ▁not ▁contact ▁B rom head ▁for ▁two ▁years . ▁ ▁Math ematic ian ▁ ▁By ▁the ▁time ▁Green ' s ▁father ▁died ▁in ▁ 1 8 2 9 , ▁the ▁senior ▁Green ▁had ▁become ▁one ▁of ▁the ▁gent ry ▁due ▁to ▁his ▁considerable ▁accum ulated ▁wealth ▁and ▁land ▁owned , ▁roughly ▁half ▁of ▁which ▁he ▁left ▁to ▁his ▁son ▁and ▁the ▁other ▁half ▁to ▁his ▁daughter . ▁The ▁young ▁Green , ▁now ▁thirty - six ▁years ▁old , ▁consequ ently ▁was ▁able ▁to ▁use ▁this ▁wealth ▁to ▁abandon ▁his ▁mill er ▁duties ▁and ▁purs ue ▁mathematical ▁studies . ▁ ▁Cambridge ▁ ▁M embers ▁of ▁the ▁Not ting ham ▁Sub scription ▁Library ▁who ▁knew ▁Green ▁repeatedly ▁ins isted ▁that ▁he ▁obtain ▁a ▁proper ▁University ▁education . ▁In ▁particular , ▁one ▁of ▁the ▁library ' s ▁most ▁pr estig ious ▁subscri bers ▁was ▁Sir ▁Edward ▁B rom head , ▁with ▁whom ▁Green ▁shared ▁many ▁correspond ences ; ▁he ▁ins isted ▁that ▁Green ▁go ▁to ▁Cambridge . ▁ ▁In ▁ 1 8 3 2 , ▁aged ▁nearly ▁forty