oper ▁batt led ▁to ▁suppress ▁the ▁ins ur gency ▁of ▁the ▁Cow ling ▁cli que ▁(" a ▁strong ▁mind ▁tra pped ▁in ▁its ▁own ▁gl ut in ous ▁fr ustr ations "), ▁and ▁to ▁bring ▁the ▁college ▁back ▁to ▁a ▁condition ▁in ▁which ▁students ▁might ▁actually ▁want ▁to ▁go ▁there . ▁Ne ither ▁side ▁won ▁this ▁struggle , ▁which ▁soon ▁became ▁a ▁campaign ▁to ▁drive ▁Tre vor - R oper ▁out ▁of ▁the ▁college ▁by ▁gro tes que ▁rud eness ▁and ▁in sub ord ination . ▁In ▁a ▁review ▁of ▁Adam ▁S is man ' s ▁ 2 0 1 0 ▁bi ography ▁of ▁Tre vor - R oper , ▁the ▁Econom ist ▁wrote ▁that ▁picture ▁of ▁Peter house ▁in ▁the ▁ 1 9 8 0 s ▁was ▁" start ling ", ▁stating ▁the ▁college ▁had ▁become ▁under ▁Cow ling ' s ▁influence ▁a ▁sort ▁of ▁right - wing ▁" l un atic ▁as yl um ", ▁who ▁were ▁determined ▁to ▁sab ot age ▁Tre vor - R oper ' s ▁re forms . ▁ ▁In ▁November ▁ 1 9 8 9 ▁Cow ling ▁published ▁his ▁ess ay ▁on ▁" The ▁S ources ▁of ▁the ▁New ▁Right " ▁in ▁Enc ounter ▁which ▁detailed ▁the ▁ide ological ▁roots ▁of ▁Th atch er ism ▁in ▁Britain ▁and ▁became ▁the ▁Pref ace ▁to ▁the ▁second ▁edition ▁of ▁Mill ▁and ▁Liberal ism ▁in ▁ 1 9 9 0 . ▁In ▁ 1 9 9 0 ▁Cow ling ▁described ▁himself ▁as ▁" an ▁intellectual ▁Th atch er ite