Goar Vartanian

Goar Levonovna Vartanian ( ; 25 January 1926 – 25 November 2019) was an Armenian woman who spied for the Soviet Union together with her husband Gevork Vartanian. 
She became a member of an anti-fascist group in 1942. They uncovered and prevented Operation Long Jump, an attempt by the Nazis to murder Joseph Stalin, Winston Churchill, and Franklin Roosevelt at the Tehran Conference in 1943.
Vartanian died on 25 November 2019 at the age of 93.