Oleg Gordievsky, KGB Colonel who defected to the UK in 1985. Photographed in London 1997.

Oleg Gordievsky, KGB Colonel who defected to the UK in 1985. Photographed in London 1997.

Oleg Gordievsky, KGB Colonel who defected to the UK in 1985. Photographed in London 1997.

Oleg Gordievsky, KGB Colonel who defected to the UK in 1985. Photographed in London 1997.