Pan Chengdong was a Chinese

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 made contributions in number theory

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well...

, including the Goldbach's conjecture

Goldbach's conjecture

Goldbach's conjecture is one of the oldest unsolved problems in number theory and in all of mathematics. It states:A Goldbach number is a number that can be expressed as the sum of two odd primes...

. He was president of Shandong University

Shandong University

Shandong University is a public comprehensive university in Shandong, China. It is one of the largest universities in China by student population and is supported directly by the national government....

 from 1986 to 1997.

Born in Suzhou

Suzhou

Suzhou , previously transliterated as Su-chou, Suchow, and Soochow, is a major city located in the southeast of Jiangsu Province in Eastern China, located adjacent to Shanghai Municipality. The city is situated on the lower reaches of the Yangtze River and on the shores of Taihu Lake and is a part...

, Jiangsu Province on 26 May 1934, he entered the Department of Mathematics and Mechanics of Peking University

Peking University

Peking University , colloquially known in Chinese as Beida , is a major research university located in Beijing, China, and a member of the C9 League. It is the first established modern national university of China. It was founded as Imperial University of Peking in 1898 as a replacement of the...

 in 1952 and obtained a postgraduate degree in 1961 advised by Min Sihe, a student of Edward Charles Titchmarsh

Edward Charles Titchmarsh

Edward Charles "Ted" Titchmarsh was a leading British mathematician.He was educated at King Edward VII School and Balliol College, Oxford, where he began his studies in October 1917....

. He then went to work at the Department of Mathematics of Shandong University.

He made progress on the Goldbach's conjecture by proving the case '1+5', and further proved the case '1+4' collaborating with Wang Yuan.

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