 In an address to the conference that marked that transition, he denounced Hudson Taylor, the late founder of the China Inland Mission, as an imperialist tool.Wu remained a dominant figure in the movement  until the Cultural Revolution of 1966-1977, during which he was put to forced labor.Wu died in Beijing on 17 September 1979, one year before the re-establishment of the Three-Self Patriotic Movement and the creation of the China Christian Council, both of which were led for nearly two decades by Bishop K.H.