▁G . ▁G . ▁Sto kes . ▁Among ▁his ▁more ▁famous ▁pup ils ▁were ▁Lord ▁Kel vin , ▁James ▁C ler k ▁Max well ▁and ▁Isaac ▁Tod h unter . ▁Francis ▁Gal ton ▁pra ised ▁his ▁teaching ▁style : ▁ ▁He ▁also ▁co ached ▁Edward ▁R outh ▁who ▁went ▁on ▁to ▁be ▁Senior ▁W r ang ler ▁and ▁himself ▁a ▁pro dig ious ▁" wr ang ler ▁mak er ". ▁In ▁ 1 8 3 3 , ▁Hop kins ▁published ▁Element s ▁of ▁Tr ig on ometry ▁and ▁became ▁distinguished ▁for ▁his ▁mathematical ▁knowledge . ▁ ▁There ▁was ▁a ▁famous ▁story ▁that ▁the ▁theory ▁of ▁George ▁Green ▁( 1 7 9 3 – 1 8 4 1 ) ▁was ▁almost ▁forgotten . ▁In ▁ 1 8 4 5 , ▁Lord ▁Kel vin ▁( Will iam ▁Thom son , ▁a ▁young ▁man ▁in ▁ 1 8 4 5 ) ▁got ▁some ▁copies ▁of ▁Green ' s ▁ 1 8 2 8 ▁short ▁book ▁from ▁William ▁Hop kins . ▁Sub sequently , ▁Lord ▁Kel vin ▁helped ▁to ▁make ▁Green ' s ▁ 1 8 2 8 ▁work ▁famous ▁according ▁to ▁the ▁book ▁" Ge orge ▁Green " ▁written ▁by ▁D . M . ▁C ann ell . ▁ ▁Ge ology ▁About ▁ 1 8 3 3 , ▁through ▁meeting ▁Adam ▁Sed g wick ▁at ▁Bar mouth ▁and ▁joining ▁him ▁in ▁several ▁exc urs ions , ▁Hop kins ▁became ▁intens ely ▁interested ▁in ▁ge ology . ▁From ▁then ▁on , ▁in ▁papers ▁published ▁by ▁the ▁Cambridge