20th century Allan Pinkerton Allen Welsh Dulles Archibald Palmer Boris Morros Charles Evans Hughes Chennault Cold War Cuban Missile Crisis, 1962 Elizabeth Bentley Elyesa Bazna Espionage, American Espionage, Soviet Gary Powers Georgii Konstantinovich Zhukov Henry Cabot Lodge Henry Lewis Stimson History Igor Gouzenko Intelligence service John F. (John Fitzgerald) Kennedy Judith Coplon Klaus Emil Julius Fuchs Nathan F.(Nathan Farragut) Twining Nikita Sergeevich Khrushchev Richard Sorge Rudolf Abel Secret service Soviet Union Spies United States United StatesCentral Intelligence Agency Whittaker Chambers World War II, 1939-1945