Peter and Helen Kroger appeared to be a typical friendly couple who owned a bookshop in west London but their true identities were later revealed as Russian spymasters Morris and Lona Cohen
Roy Roebuck, who has died aged 94, was a Fleet Street sub-editor who was briefly a Labour MP – and an outspoken supporter of Harold Wilson – before forsaking politics for the Bar.
Gordon Lonsdale was a familiar figure in the pubs of south London during the 1950s: a cheerful, tubby, louche figure with multiple girlfriends and a faint North