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Lets Call the Whole Thing Off
This is the story of Ruth Werner, the Communist spy who passed the west's atomic secrets to the Soviet Union as a means to fight fascism and Hitler. She was born Ursula Kuczynski, and her codename for the Soviets was Sonya.
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ÃÛÑ¿´«Ã½ World Service Archive
This programme was restored as part of the World Service archive project