Einfrid Perstølen
Einfrid Perstølen ( 15 June 1917 – 7 January 2017 ) was a Norwegian psychiatrist and language proponent . 
<triplet> Einfrid Perstølen <subj> 15 June 1917 <obj> date of birth <subj> 7 January 2017 <obj> date of death