us ▁Spo ke ▁Zar ath ust ra " ▁by ▁Friedrich ▁N iet z sche ▁The ▁Ill usion ists , ▁a ▁tour ing ▁magic ▁production <0x0A> </s> ▁Jean - B apt iste ▁Gu imet ▁( 2 0 ▁July ▁ 1 7 9 5 8 ▁April ▁ 1 8 7 1 ), ▁French ▁industrial ▁chem ist , ▁was ▁born ▁at ▁Voir on , ▁Is ère . ▁ ▁He ▁studied ▁at ▁the ▁É cole ▁Poly te chni que ▁in ▁Paris , ▁and ▁in ▁ 1 8 1 7 ▁entered ▁the ▁Administration ▁des ▁P oud res ▁et ▁Sal p ê tres . ▁In ▁ 1 8 2 8 ▁he ▁was ▁awarded ▁the ▁prize ▁offered ▁by ▁the ▁Société ▁d ’ enc ou rag ement ▁pour ▁l ’ indust rie ▁nationale ▁for ▁a ▁process ▁of ▁making ▁artificial ▁ul tr amar ine ▁with ▁all ▁the ▁properties ▁of ▁the ▁subst ance ▁prepared ▁from ▁la pis ▁la z uli ; ▁and ▁six ▁years ▁later ▁he ▁res igned ▁his ▁official ▁position ▁in ▁order ▁to ▁dev ote ▁himself ▁to ▁the ▁commercial ▁production ▁of ▁that ▁material , ▁a ▁factory ▁for ▁which ▁he ▁established ▁at ▁Fle ur ieu - sur - Sa ône . ▁ ▁His ▁son ▁É mile ▁Ét ienne ▁Gu imet ▁succeeded ▁him ▁in ▁the ▁direction ▁of ▁the ▁factory . ▁ ▁References ▁▁ ▁Category : 1 7 9 5 ▁birth s ▁Category : 1 8 7 1 ▁death s ▁Category : Pe ople ▁from ▁Voir on ▁Category : F rench ▁chem ists <0x0A> </s> ▁The ▁pu ff - back ed ▁bul bul ▁( P