Ruth Kuczynski

Born in Berlin, Germany in 1907, the daughter of German-Jewish professor and Soviet spy Rene Kuczynski. Brother Jurgen and sister Bridgitte also became Soviet spies.

Became a Communist in 1924 when she became a member of the Communist Youth Movement. Became the head of the German Communist Party's Propaganda Section.

Moved to the United States with her father and brother who were engaged in espionage activities for the GRU. Returned to Germany in 1929 and married Rudolph Hamburger, a friend from her childhood.

In 1930, was instructed by Soviet Intelligence to move to Shanghai, China. Her husband, also a Soviet spy was already in Shanghai, under the guise of an architect. Ruth was more important to the GRU than her husband as she operated a major spy ring in China.

Became close friends with Agnes Smedley, an American journalist who would ultimately introduce Kuczynski to Soviet agent Richard Sorge. Ruth began an affair with Sorge. Often allowing him to use her apartment as a meeting place. Established a cover as a journalist writing for pro-Communist newspapers.

Was ordered back to Moscow for advanced training in 1933. Returned to China six months later, under a new cover as a bookseller. Her actual task was to develop a strong relationship between the GRU and Chines Communists in Manchuria who were fighting against the Japanese.