London, February 4: Mahatma Gandhi never existed while Britain's wartime Prime Minister Sir Winston Churchill was a fictional character. Don't fret. This is only what most Britons think about the great leaders. According to a survey carried out in Britain, many believe that Mahatma Gandhi and Churchill are just mythical figures like Florence Nightingale, popularly known as the 'Lady with the Lamp'. In fact, almost a quarter of the population have the popular notion that Churchill, "the greatest Briton of all time", was made up. Moreover, despite his celebrated military reputation, 47 per cent of respondents feel the 12th-century English...