David Cornwell (John le Carré), who worked as an intelligence officer for both MI5 and the SIS (MI6), has said that Philby betrayed his identity to the Russians, which was a factor in the 1964 termination of his intelligence career.
Philby betrayed his identity to the Russians. This was what David Cornwell (John le Carré) has said. The Russians was a factor in the 1964 termination of his intelligence career. David Cornwell (John le Carré) worked as an intelligence officer for both MI5. David Cornwell (John le Carré) worked as an intelligence officer for the SIS (MI6).