Helmut Gröttrup
Helmut Gröttrup ( 12 February 1916 – 4 July 1981 ) was a German engineer , rocket scientist and inventor of the smart card . 
<triplet> Helmut Gröttrup <subj> 12 February 1916 <obj> date of birth <subj> 4 July 1981 <obj> date of death