Helmut Becker
Helmut Becker ( 8 March 1927 – 19 July 1990 ) , German viticulturist , was chief of the Geisenheim Grape Breeding Institute . 
<triplet> Helmut Becker <subj> 8 March 1927 <obj> date of birth <subj> 19 July 1990 <obj> date of death