People Johann Valentin Klein peoplepill id: johann-valentin-kleinJVK 4 views today 4 views this weekJohann Valentin KleinBiographyAlso ViewedThe basicsQuick FactsGenderMaleBirth12 March 1787 People who share this birthdayStar signPisces People who share this birthdayDeath28 April 1861 People who died on this dayAge74 yearsListsJohann Valentin Klein is in following lists comments so far.CommentsJohann Valentin Klein