Günther Friedrich
Günther Friedrich ( 15 April 1929 – 24 November 2014 ) was a German mineralogist and university professor at the RWTH University at Aachen . 
<triplet> Günther Friedrich <subj> 15 April 1929 <obj> date of birth <subj> 24 November 2014 <obj> date of death <subj> German <obj> country of citizenship <triplet> RWTH University <subj> German <obj> country <subj> Aachen <obj> located in the administrative territorial entity