On the eve of the 50th anniversary of Winston Churchill's death, Boris Johnson explores what makes up the 'Churchill factor', the singular brilliance of one of the most important leaders of the 20th century. Taking on the myths and misconceptions along with the outsised reality, he portrays a man of multiple contradictions, contagious bravery, breathtaking eloquence, matchless strategising, and deep humanity.

Winston Churchill was the greatest war leader Britain ever had. In 1940, the nation rallied behind him in an extraordinary fashion. But thereafter, argues Max Hastings, there was a deep divide between what Churchill wanted from the British people and their army, and what they were capable of delivering. Himself a hero, he expected others to show themselves heroes also, and was often disappointed. It is little understood how low his popularity fell...