About John Herbert King
John Herbert King, alias 'MAG', was a British Foreign Office cypher clerk who provided Foreign Office communications to the Soviet Union between 1935 and 1937. He was sentenced to 10 years in prison as a spy in October 1939.
John Herbert King, alias 'MAG', was a British Foreign Office cypher clerk who provided Foreign Office communications to the Soviet Union between 1935 and 1937. He was sentenced to 10 years in prison as a spy in October 1939.
