About Ling Yun
Ling Yun, born as Wu Peilin (吴沛霖), was a politician of the People's Republic of China, who served as the first Minister of State Security, from June 1983 to September 1985. As a result, the new Ministry of State Security was established, and Ling Yun, as an experienced counterintelligence specialist, became the first Minister. Ling Yun (Chinese: 凌云; 29 June 1917 – 15 March 2018), born as Wu Peilin (吴沛霖), was a politician of the People's Republic of China, who served as the first Minister of State Security, from June 1983 (officially from July 1) to September 1985. After the outbreak of the Chinese Civil War, Ling became a member of the North China land reform team led by Kang Sheng, and was active in seizing land from wealthy landlords and distributing it to peasants.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.