As the vast empire of Imperial Russia struggled with the emancipation of the serfs after 1861 and creeped inexorably towards revolution, Leo Tolstoy underwent what he termed a 'spiritual awakening'. Advocating an extreme internationalism and the principles of non-violence, Tolstoy inspired a legion of followers who formed thousands of cooperatives and collective farms across Russia and Europe. These disciples had a major impact: in revolutionary Russia, these 'Tolstoyans' were seen as a threat to the Bolsheviks, and Lenin singled them out for repression. Decades later, Mahatma Gandhi would...