Question: When did Vilma Sindona Eichholz's husband die?
Sentence (from "Rüdiger Eichholz"): Rüdiger Eichholz (May 1, 1922 in Stralsund, Germany – September 5, 2000 in Cobourg, Ontario), was a Canadian physicist and Esperantist and a member of the Esperanto Academy.
Relevant evidence: Yes