Helmut Schelsky
Helmut Schelsky ( 14 October 1912 – 24 February 1984 ) , was a German sociologist , the most influential in post-World War II Germany , well into the 1970s . 
<triplet> Helmut Schelsky <subj> 14 October 1912 <obj> date of birth <subj> 24 February 1984 <obj> date of death <subj> German <obj> country of citizenship