Gorbachev's meeting with Prime Minister ... He was the most senior Soviet spy to defect during the Cold War. Documents declassified in 2014 showed that Britain considered Gordievsky so valuable ...

Gorbachev's meeting with Prime Minister ... He was the most senior Soviet spy to defect during the Cold War. Documents declassified in 2014 showed that Britain considered Gordievsky so valuable ...

Historians consider Oleg Gordievsky, the most senior Soviet spy to defect during the Cold War, one of the era’s most important informants.

Gorbachev’s meeting with Prime Minister ... Advertising He was the most senior Soviet spy to defect during the Cold War. Documents declassified in 2014 showed that Britain considered Gordievsky ...