Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Geoffrey Ernest Duke OBE (born 29 March 1923 in St. Helens, Lancashire) is a British multi-time motorcycle Grand Prix road racing world champion. Geoff Duke dominated motorcycle racing in the 1950s, winning six world championships and six Isle of Man TT races. Duke came to prominence after winning the 1949 Senior Clubmans TT and the Senior Manx Grand Prix and was to become the very first post-war motorcycling 'superstar', popularly known amongst the racing fraternity simply as 'the Duke'. He was signed up to the Norton works team for the 1950 TT, finishing second in the Junior TT and breaking both lap and race records in the Senior TT.