Peter Wright in 1963 following what Wright refers to as a tip-off by "a fifth man, still inside", he became convinced that the KGB had penetrated the higher reaches of MI5. As claimed in "Spycatcher", Wright had come to believe that Roger Hollis was the highest traitor in MI5. Wright went so far as to begin to make, as he himself put it, "his own 'freelance' inquiries into Hollis' background" shortly before the latter's retirement. According to Wright, his initial, unspecified, suspicion was aroused by his analysis of how a Soviet 'illegal' Lonsdale's arrest in January 1961 was handled by the KGB
S. Fowler Wright S. Fowler Wright Sydney Fowler Wright (6 January 1874 – 25 February 1965) was a British editor, poet, science fiction author, writer of screenplays, mystery fiction and works in other genres, as well as being an accountant and a conservative political activist. He also wrote as Sydney Fowler and Anthony Wingrave. Wright was born in Smethwick (then in the Kings Norton registration district), England. Wright left school at eleven, and spent his adolescence studying literature when not working. From a young age, Wright deliberately adopted a healthy lifestyle; he did not smoke or eat meat, and rarely drank alcohol. Wright