Zhou Youguang (Chinese: 周有光; pinyin: Zhōu Yǒuguāng, born Zhou Yaoping; 13 January 1906 – 14 January 2017), also known as Chou Yu-kuang or Chou Yao-ping, was a Chinese economist, linguist, sinologist, and supercentenarian. He has been credited as the father of pinyin, the most popular romanization system for Chinese, which was adopted by the People's Republic of China (PRC) in 1958, the International Organization for Standardization (ISO) in 1982, and the United Nations in 1986.
Jeanne Louise Calment (French: [ʒan lwiz kalmɑ̃] ; 21 February 1875 – 4 August 1997) was a French supercentenarian. With a documented lifespan of 122 years and 164 days, she is the oldest person in history whose age has been verified. Her longevity attracted media attention and medical studies of her health and lifestyle. Calment is the only person in history who has been verified to have reached the age of 120.
According to census records, Calment outlived both her daughter and her grandson. In January 1988, she was widely reported to be the oldest living person in the world. In 1995, at age 120, she was declared to be the oldest person in history with a verified date of birth.