), ▁who ▁had ▁studied ▁with ▁Constant ▁T roy on . ▁Later , ▁he ▁became ▁acquaint ed ▁with ▁the ▁x y log raph ers , ▁Maxim il ien ▁Lu ce ▁and ▁É mile - G ust ave ▁Caval lo - P é du z zi , ▁after ▁which ▁he ▁produced ▁post ers ▁from ▁l ith ograph s ▁and ▁wood cut s . ▁▁▁ ▁In ▁ 1 8 8 5 , ▁he ▁considered ▁his ▁art istic ▁development ▁to ▁be ▁complete ; ▁as ▁reflected ▁in ▁a ▁length y ▁letter ▁to ▁É mile ▁Z ola , ▁with ▁whom ▁he ▁had ▁long ▁correspond ed . ▁He ▁also ▁made ▁an ▁extended ▁stay ▁in ▁Brit t any . ▁ ▁Ever ▁des iring ▁something ▁new , ▁he ▁slowly ▁turned ▁to ▁Syn th et ism ▁and , ▁from ▁ 1 8 8 9 ▁to ▁ 1 8 9 4 , ▁simplified ▁his ▁paint ings ▁and ▁bright ened ▁his ▁colors . ▁During ▁that ▁period , ▁he ▁participated ▁in ▁avant - gar de ▁exhib itions ; ▁not ably ▁with ▁" Les ▁XX " ▁in ▁Br uss els , ▁the ▁association ▁"" ▁in ▁Ant werp ▁and ▁in ▁Paris ▁at ▁Le ▁Bar c ▁de ▁B out te ville ▁and ▁the ▁" Sal on ▁des ▁Cent ". ▁Some ▁of ▁his ▁poster ▁designs ▁were ▁reprodu ced ▁in ▁the ▁magazine , ▁Les ▁Ma î tres ▁de ▁l ' A ffic he . ▁ ▁He ▁also ▁had ▁a ▁connection ▁with ▁the ▁Symbol ist ▁movement ; ▁corresponding ▁with ▁several ▁noted ▁writers . ▁Later , ▁he ▁would ▁provide ▁illustr ations ▁for ▁works