Johann Friedrich Reiffenstein
Johann Friedrich Reiffenstein ( born 22 November 1719 , Ragnit , – died 6 October 1793 , Rome ) was a German cicerone for grand tourists , painter , antiquarian and agent for art collectors in Rome . 
<triplet> Johann Friedrich Reiffenstein <subj> 22 November 1719 <obj> date of birth <subj> Ragnit <obj> place of birth <subj> 6 October 1793 <obj> date of death