e issen ▁( born ▁ 1 5 ▁May ▁ 1 9 3 4 ) ▁is ▁a ▁French ▁classical ▁pian ist . ▁ ▁He ▁was ▁born ▁in ▁Paris ▁in ▁ 1 9 3 4 . ▁ ▁His ▁first ▁teacher , ▁at ▁age ▁ 7 , ▁was ▁Georges ▁de ▁La us n ay . ▁ ▁He ▁entered ▁the ▁Conserv atoire ▁National ▁Sup érieur ▁de ▁Mus ique ▁in ▁ 1 9 4 7 , ▁aged ▁ 1 2 , ▁and ▁won ▁the ▁Premier ▁Prix ▁when ▁he ▁was ▁six teen . ▁ ▁He ▁had ▁further ▁study ▁with ▁Mar guer ite ▁Long ▁and ▁Jacques ▁F évrier . ▁In ▁ 1 9 5 3 ▁he ▁tempor arily ▁retired ▁from ▁public ▁performance , ▁to ▁focus ▁on ▁music ▁competition . ▁ ▁In ▁ 1 9 5 4 ▁he ▁won ▁equal ▁ 2 nd ▁Prize ▁with ▁Ser gio ▁Sc op ell iti ▁at ▁the ▁Alfred o ▁Cas ella ▁Compet ition ▁in ▁Nap les . ▁He ▁also ▁won ▁the ▁International ▁Music ▁Performance ▁Compet ition ▁in ▁Gene va ▁that ▁year . ▁In ▁ 1 9 5 5 ▁he ▁won ▁ 4 th ▁prize ▁at ▁the ▁ 5 th ▁International ▁Ch op in ▁P iano ▁Compet ition ▁in ▁Wars aw ; ▁then ▁equal ▁ 2 nd ▁Prize ▁with ▁Dim it ri ▁Bash ki rov ▁at ▁the ▁Mar guer ite ▁Long - Jac ques ▁Th ib aud ▁International ▁Compet ition ▁( no ▁ 1 st ▁Prize ▁was ▁awarded ▁that ▁year ). ▁ ▁In ▁ 1 9 6 2 ▁he ▁won ▁ 1 st ▁Prize ▁at ▁the