Zvuk [Sound]

The code name of Jacob Golos (an assumed name, meaning “Voice”), who was also known as Yakov Nathanovich Reisin and as Tassin. Golos was a founding member of the American Communist Party. He became both a high-level functionary in the CP USA and an agent of Soviet foreign intelligence, working for predecessor agencies of the KGB from the 1930s until his death in 1943.