Peng Zhen was then member of the Political Bureau of the Party's Central Committee, member of its Secretariat, first secretary of the Beijing municipal Party committee, Vice-Chairman of the Standing Committee of the National People's Congress and mayor of Beijing. Luo Ruiqing was then member of the Secretariat of the Central Committee, Secretary-General of its Military Commission, Chief of the General Staff of the Chinese People's Liberation Army and Vice-Premier of the State Council. Lu Dingyi was then alternate member of the Political Bureau of the Central Committee, member of its Secretariat, Director of the Propaganda Department of the Central Committee and Vice-Premier of the State Council. Yang Shangkun was then alternate member of the Secretariat of the Central Committee and Director of the Central Committee's General Office. Early in the ``cultural revolution'', these four comrades were erroneously branded as the ``Peng-Luo-Lu-Yang counter-revolutionary clique''. The Central Committee issued separate documents in February 1979, May 1980, June 1979 and October 1980, respectively, for their complete rehabilitation.