Lenin lived a controversial life and has had a deeply controversial reputation in the centenary since his death (21 January 1924) His rise from a conventional, educated, provincial, and middle-class background to become not only the leader, even dictator, over the largest country on earth, is dramatic and vital in itself. But it is only part of the story. Even after his death, he was unchallenged as the chief inspirer of a disparate world revolutionary...