Marian Clark
Marian Clark ( born Marian Alice Clark; June 25 , 1912 – February 26 , 1963 ) was an American scriptwriter for radio and television series during the 1950s and early 1960s , most notably for the long-running , iconic Western series "Gunsmoke" , which aired on CBS Radio from 1952 to 1961 and on CBS Television for two decades . 
<triplet> Marian Clark <subj> June 25, 1912 <obj> date of birth <subj> February 26, 1963 <obj> date of death