After the economic disaster of the Great Leap Forward that claimed tens of millions of lives between 1958 and 1962, an ageing Mao launched an ambitious scheme to shore up his reputation and eliminate those he viewed as a threat to his legacy. The stated goal of the Cultural Revolution was to purge the country of bourgeois, capitalist elements he claimed were threatening genuine communist ideology. But the Chairman also used the Cultural Revolution to turn on his colleagues, some of them longstanding comrades-in-arms, subjecting them to public humiliation, imprisonment and torture.