The Spy Who Came in from the Circus

For almost half a century, Bertram Mills Circus was a household name throughout Britain among both children and adults and it's Director, Cyril Bertram Mills, was one of the best-known and most influential names in the country's entertainment business. But for forty years, Cyril Mills had also enjoyed a top-secret and wide-ranging career in British intelligence: obtaining the best aerial intelligence on Nazi rearmament for MI6 before the Second World War; becoming the first case officer to monit