People Johann Rudolf Jenny peoplepill id: johann-rudolf-jennyJRJ 5 views today 5 views this weekJohann Rudolf JennyBiographyAlso ViewedThe basicsQuick FactsBirth21 August 1724 People who share this birthdayStar signLeo People who share this birthdayDeath15 September 1790 People who died on this dayAge66 yearsListsJohann Rudolf Jenny is in following lists comments so far.CommentsJohann Rudolf Jenny