Maria Wicher was married to Professor Enos Wicher and the mother of Flora Wovschin. The family were all spies for the Soviet Union in the 1940s. Maria was in contact with Sergey Kurnakov, a courier and liaison agent. Maria Wicher previously had been married to Dr. William A. Wovschin who is Flora Wovschins' father. Her code name in Soviet intelligence and in the Venona project is "Dasha".
- Haynes, John Earl & Klehr, Harvey, Venona: Decoding Soviet Espionage in America,Yale University Press, 2000. ISBN 0300084625
- 1146 KGB New York to Moscow, 10 August 1944
- 1714 KGB New York to Moscow, 5 December 1944