▁Domain ▁Review ▁( 2 0 1 1 ), ▁Jonathan ▁Gray ▁comp ares ▁Le ib n iz ' s ▁work ▁to ▁L l ull ' s ▁earlier ▁attempt , ▁not ing ▁that ▁Le ib n iz ▁had ▁desired ▁to ▁build ▁on ▁from ▁L l ull ' s ▁previous ▁work . ▁▁ 1 9 th ▁& ▁ 2 0 th ▁Century ▁In ▁the ▁ 1 9 th ▁century , ▁the ▁notion ▁of ▁combin atory ▁play ▁became ▁widely ▁accepted ▁through ▁the ▁advoc acy ▁of ▁intellect s ▁and ▁academ ics , ▁such ▁as ▁Albert ▁Ein stein ▁and ▁T . S . ▁Eli ot . ▁Ein stein ▁claimed ▁that ▁" com bin atory ▁play ▁seems ▁to ▁be ▁the ▁essential ▁feature ▁in ▁product ive ▁thought ". ▁ ▁This ▁is ▁because ▁Ein stein ▁fam ously ▁came ▁up ▁with ▁important ▁scientific ▁theories ▁while ▁taking ▁viol in ▁breaks , ▁and ▁believed ▁the ▁secondary ▁discipline ▁of ▁music ▁helped ▁connect ▁the ▁different ▁processes ▁in ▁his ▁brain , ▁allowing ▁him ▁to ▁think ▁more ▁broad ly ▁about ▁a ▁subject . ▁Similarly , ▁T . S . ▁Eli ot ▁believed ▁that ▁the ▁way ▁one ▁thinks ▁or ▁approaches ▁cre ativity ▁was ▁largely ▁impact ed ▁by ▁the ▁life ▁experience ▁unique ▁to ▁that ▁individual . ▁The ▁end ▁product ▁of ▁the ▁thought ▁process ▁was ▁then ▁specific ▁to ▁that ▁person . ▁This ▁is ▁an ▁extension ▁of ▁Hob bes ' ▁theory ▁of ▁reasoning , ▁mentioned ▁earlier . ▁The ▁cul min ation ▁of ▁ones ▁experience ▁impact s ▁the ▁way ▁one ▁naturally ▁attempts ▁to ▁approach ▁cre ativity . ▁▁ 2 1 st ▁Century ▁It ▁was