Question: What is the date of death of Rudolf Baranik's wife?
Sentence (from "Rudolf Baranik"): The paintings of Rudolf Baranik are increasingly thought to be among the most important works of the New York School painting of the 1960s and 1970s, with the late paintings in particular considered by American art critic, Donald Kuspit, "the true climax of fifty years of Western abstract painting."
Relevant evidence: No