In these memoirs, high-ranking KBG agent Alexander Feklisov tells the story of his career as a Soviet spy. Feklisov, the officer in charge of Julius and Ethel Rosenberg, confirms and describes the New York couple’s espionage activities. He illuminates his role as a messenger of the Soviet government during the 1962 Cuban Missile Crisis and as the contact agent of Klaus Fuchs, a Soviet spy who worked as a scientist on the Manhattan Project. The atomic secrets that Feklisov passed on from Fuchs greatly aided the Soviet atomic bomb program. In addition, Feklisov relates his early life and the circumstances that led him to become a spy.