▁he ▁tried ▁his ▁hand ▁at ▁et ch ing ▁in ▁ 1 9 1 4 , ▁it ▁was ▁not ▁until ▁ 1 9 2 0 ▁that ▁he ▁began ▁his ▁career ▁as ▁an ▁et cher ▁in ▁earnest , ▁eventually ▁ach ieving ▁success ▁as ▁both ▁a ▁print maker ▁and ▁society ▁portrait ist . ▁Bro ck h urst ▁held ▁his ▁first ▁important ▁exhibition ▁in ▁ 1 9 1 9 , ▁in ▁London , ▁and ▁after ▁it ▁was ▁well ▁received ▁returned ▁to ▁live ▁there . ▁In ▁ 1 9 2 1 ▁he ▁was ▁one ▁of ▁the ▁early ▁members ▁of ▁the ▁newly - formed ▁Society ▁of ▁Graph ic ▁Art ▁and ▁exhib ited ▁with ▁them . ▁Through out ▁the ▁ 1 9 3 0 s ▁he ▁continued ▁an ▁increasing ly ▁successful ▁career ▁as ▁a ▁portrait ▁artist , ▁with ▁notable ▁sit ters ▁including ▁the ▁film ▁stars ▁Mer le ▁Ober on ▁and ▁Mar l ene ▁Diet rich , ▁as ▁well ▁as ▁the ▁Duch ess ▁of ▁W inds or , ▁whose ▁husband ▁commission ed ▁her ▁portrait . ▁In ▁ 1 9 3 7 ▁Bro ck h urst ▁was ▁elected ▁to ▁the ▁Royal ▁Academy ▁and ▁was ▁able ▁to ▁command ▁a ▁price ▁of ▁ 1 , 0 0 0 ▁gu ine as ▁for ▁a ▁portrait . ▁In ▁the ▁same ▁year ▁however ▁details ▁of ▁his ▁relationship ▁with ▁his ▁young ▁model ▁Kath le en ▁Wood ward , ▁whom ▁he ▁had ▁renamed ▁Dor ette , ▁were ▁made ▁public ▁after ▁she ▁gave ▁an ▁interview ▁to ▁the ▁Sunday ▁Express . ▁Bro ck h urst ' s ▁marriage ▁had ▁previously ▁come