▁the ▁importance ▁of ▁having ▁students ▁use ▁express ive ▁language ▁and ▁for egr ounded ▁the ▁cru cial ▁role ▁of ▁audience ▁in ▁the ▁development ▁of ▁language ▁ab ilities . ▁At ▁this ▁time , ▁Brit ton ▁was ▁also ▁an ▁active ▁member ▁of ▁the ▁Bul lock ▁Committee , ▁which ▁issued ▁its ▁influ ential ▁report , ▁A ▁Language ▁for ▁Life , ▁in ▁ 1 9 7 5 . ▁ ▁Brit ton ' s ▁classic ▁study ▁Language ▁and ▁Learning ▁( 1 9 7 0 ; ▁ 2 nd ▁Ed ., ▁ 1 9 9 2 ), ▁contains ▁his ▁most ▁fully ▁developed ▁statement ▁about ▁the ▁relationship ▁between ▁children ' s ▁active ▁language ▁use ▁and ▁their ▁learning . ▁Draw ing ▁on ▁extensive ▁samples ▁of ▁actual ▁speech ▁and ▁writing ▁done ▁by ▁his ▁two ▁daughters ▁when ▁they ▁were ▁growing ▁up ▁( C elia ▁Brit ton , ▁formerly ▁Professor ▁of ▁French , ▁University ▁of ▁Aber de en , ▁Scotland , ▁and ▁Al ison ▁Brit ton , ▁one ▁of ▁England ' s ▁leading ▁cer am ic ▁artists ), ▁Brit ton ▁showed ▁how ▁individuals ▁use ▁words ▁to ▁make ▁both ▁practical ▁and ▁moral ▁sense ▁of ▁the ▁world . ▁He ▁also ▁helped ▁to ▁introduce , ▁and ▁make ▁accessible , ▁important ▁psych ological ▁think ers ▁in ▁the ▁area ▁of ▁language , ▁identity , ▁and ▁society , ▁from ▁the ▁American ▁George ▁Kelly ▁to ▁the ▁Russian ▁Lev ▁V yg ot sky . ▁ ▁In ▁ 1 9 8 2 , ▁his ▁selected ▁ess ays ▁appeared ▁in ▁Pro spect ▁and ▁Ret ros pect ; ▁and ▁finally , ▁with ▁his ▁last ▁academic ▁book