Question: What is the date of death of Rudolf Hamburger's wife?
Sentence (from "Ursula Kuczynski"): Ursula Kuczynski (15 May 1907, Schöneberg, Prussia, German Empire – 7 July 2000, Berlin, Germany, also known as Ruth Werner, Ursula Beurton and Ursula Hamburger) was a German Communist activist who worked for the Soviet Union in the 1930s and 1940s as a spy, most famously as the handler of nuclear scientist Klaus Fuchs.
Relevant evidence: Yes