Today, 75 years ago, on August 18, 1950 (July 5, 1950), representatives of all Chinese scientists gathered in Beijing. On August 18, 1950, the first National Conference of Natural Sciences Workers was held in Beijing, where 451 representatives from the major administrative regions of science, industry, agriculture, medicine, etc. attended the conference. The conference listened to the work reports of the Academy of Sciences and the industry, agriculture, health departments and conducted a study, and also discussed the establishment of various scientific and technological societies. The conference produced the Federation of National Natural Sciences Specialist Societies of China (referred to as the "National Federation of Sciences") and the National Society of Science and Technology Popularization of China (referred to as the "National Association of Sciences and Technologies") and elected Wu Yue Ch