On July 24, 1987, Deng Xiaoping met with scientists who made a major contribution to the construction of the Fourth Generation. On July 24, 1987, Deng Xiaoping met with scientists who made a major contribution to the construction of the Fourth Generation. On July 24, 1987, the Central Committee of the Communist Party of China invited some of the middle-aged scientists who made a major contribution to the North Dao River to rest. In the North Dao River, Deng Xiaoping, director of the Central Advisory Committee, met with some of the middle-aged scientific and technological workers who made a major contribution to the construction of the Fourth Generation.