Eufrosina Dvoichenko Markov

Eufrosina Dvoichenko-Markov (1901–1980, Moscow, Russia) was a Russian-American history and literary scholar identified by NSA as agent Masha who worked for the New York NKGB Rezidentura from 1943 to 1945. Her son, Sgt. Demetrius Dvoichenko-Markov of the United States Army, is also identified by Venona papers as a Soviet agent, but spent the rest of his life as an academician in the USA. Masha provided Soviet intelligence with information on Romanians, Carpatho-Russians and other exile groups in the United States. Masha also provided information on United States Department of State personnel with whom she had contact.