Siegfried Schnabl
Siegfried Schnabl ( 27 February 1927 - 4 August 2015 ) was a German sexologist and psychotherapist who contributed to the work of sex education in East Germany and other nations . 
<triplet> Siegfried Schnabl <subj> 27 February 1927 <obj> date of birth <subj> 4 August 2015 <obj> date of death