Career
Zimmerimann was born in Zurich, Switzerland, on September 27, 1902. In 1923, Zimmermann emigrated from Switzerland to the Soviet Union, where she worked for the Communist International. First, she worked for the Information section (1923-1930).
Then (1930-1931), she worked for the Organization section.
Finally (1931 to 1937), she worked for the OMS under Jacob Mirov-Abramov. After 1935, Zimmermann became head of the OMS"s Courier section of OMS. She went on OMS missions to Paris and Prague.
Zimmermann was married to Fritz Platten, a fellow communist also of Switzerland. Zimmermann was executed 2 December 1937 in Moscow.
Platten was arrested in 1938, moved to a prison camp near Nyandoma in 1939, and shot on 22 April 1942.
