1 9 th ▁century , ▁Mac G ib bon ▁and ▁Ross ▁suggested ▁in ▁The ▁Cast ell ated ▁and ▁Dom estic ▁Architecture ▁of ▁Scotland ▁that ▁William ▁was ▁" at ▁least " ▁the ▁equal ▁in ▁talent ▁of ▁his ▁son ▁Robert . ▁ ▁In ▁the ▁ 2 0 th ▁century , ▁a ▁more ▁critical ▁view ▁of ▁Adam ' s ▁work ▁was ▁taken . ▁For ▁example , ▁Ian ▁Hann ah ▁in ▁The ▁Story ▁of ▁Scotland ▁in ▁Stone ▁( 1 9 3 4 ) ▁found ▁Adam ▁to ▁be ▁" a ▁rather ▁ordinary ▁classical ▁architect ". ▁Arthur ▁T . ▁Bol ton , ▁in ▁the ▁introduction ▁to ▁his ▁definit ive ▁work ▁on ▁Robert ▁and ▁James ▁Adam ▁( 1 9 2 2 ), ▁dismiss ed ▁the ▁father ' s ▁work ▁as ▁" he avy ▁and ▁ordinary ", ▁and ▁a ▁mere ▁" comp ilation ▁of ▁ideas ... ▁from ▁Van b rug h ▁and ▁Gib bs ▁to ▁Kent ". ▁John ▁F lem ing ▁l ament ed ▁his ▁" ad ▁h oc ▁impro vis ation ▁from ▁source ▁books , ▁impro per ly ▁dig ested ", ▁and ▁decided ▁that ▁he ▁" c annot ▁be ▁allowed ▁great ▁distinction ▁as ▁an ▁architect ". ▁John ▁Sum m erson ▁dis reg ards ▁Adam ' s ▁work , ▁in ▁Architecture ▁in ▁Britain , ▁ 1 5 3 0 – 1 8 3 0 ▁( 1 9 5 3 ), ▁as ▁it ▁does ▁not ▁fit ▁into ▁the ▁English ▁P all ad ian ▁orth odox y , ▁although ▁John ▁Dun bar ▁suggests ▁that ▁" he ▁could ▁express ▁himself ▁convin cing ly ▁enough