Gertrude Kahn, also known as Mrs. Ray Kahn, was an American who allegedly had a covert relationship with Soviet intelligence

NKVD

The People's Commissariat for Internal Affairs was the public and secret police organization of the Soviet Union that directly executed the rule of power of the Soviets, including political repression, during the era of Joseph Stalin....

 during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. In a Venona transcript from Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

, the Moscow Center suggested Mrs. Kahn be used for foreign intelligence work. The New York Rezidentura responded that it may not be wise, and that she was best suited for a "passive" role. Kahn's code name in Soviet intelligence and in the Venona decrypts is "Dinah."

Venona

Mrs. Ray (Gertrude) Kahn is referenced in the following Venona project decryptions:

• 1000 KGB New York to Moscow, 24 June 1943;
• 1136 KGB New York to Moscow, 13 July 1943;
• 1205 KGB New York to Moscow, 22 July 1943.