m alf ette ▁Gro tes k , ▁an ▁upper - case ▁only ▁prede cess or ▁to ▁Ha ett ensch we iler , ▁which ▁had ▁attract ed ▁attention ▁among ▁British ▁design ers ▁but ▁was ▁not ▁available ▁in ▁the ▁UK . ▁Imp act ▁was ▁released ▁slightly ▁later ▁for ▁similar ▁reasons . ▁Lam bert ▁taught ▁typ ography ▁at ▁the ▁London ▁College ▁of ▁Print ing ▁as ▁well ▁as ▁working ▁for ▁Let ras et ; ▁he ▁also ▁cur ated ▁the ▁Graph ic ▁Design ▁Britain ▁anth ology , ▁as ▁well ▁as ▁a ▁book ▁on ▁letter ing . ▁The ▁style ▁of ▁letter ing ▁Comp act a ▁is ▁based ▁on ▁has ▁been ▁called ▁gas pipe . ▁It ▁is ▁also ▁quite ▁similar ▁to ▁the ▁m ast head ▁of ▁Private ▁E ye ▁( which ▁is ▁caps - only ), ▁designed ▁by ▁Matthew ▁Carter ▁around ▁the ▁same ▁time . ▁Carter ▁would ▁later ▁design ▁Hel vet ica ▁Com pressed ▁for ▁similar ▁reasons . ▁ ▁Popular ▁media ▁ ▁The ▁dense , ▁industrial ▁appearance ▁of ▁Comp act a ▁was ▁a ▁popular ▁genre ▁in ▁the ▁early ▁ 1 9 6 0 s , ▁and ▁Rol ling ▁St ones ▁albums ▁such ▁as ▁After math ▁and ▁ 1 2 ▁X ▁ 5 ▁and ▁the ▁Who ' s ▁I ▁Can ▁See ▁For ▁Mil es ▁either ▁use ▁Comp act a ▁or ▁are ▁in ▁a ▁similar ▁style , ▁as ▁does ▁the ▁first ▁edition ▁of ▁The ▁Bell ▁Jar . ▁Comp act a ▁has ▁remained ▁popular ▁on ▁album ▁covers , ▁being ▁used ▁by ▁Port is head ▁and ▁The ▁K L F ▁on ▁all ▁their ▁albums