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Chao Ko)

**Ke Zhao** or **Chao Ko** (
Chinese: 柯召;
pinyin: *Kē Zhào*;
Wade–Giles: *K'o Chao*, April 12, 1910 – November 8, 2002) was a Chinese
mathematician born in
Wenling,
Taizhou, Zhejiang.

Ke graduated from
Tsinghua University in 1933 and obtained his doctorate from the
University of Manchester under
Louis Mordell in 1937.^{
[1]} His main fields of study were
algebra,
number theory and
combinatorics. Some of his major contributions included his work on
quadratic forms, the
Erdős–Ko–Rado theorem and his theorem on
Catalan's conjecture.^{
[2]} In 1955, he was one of the founding members of the
Chinese Academy of Sciences.^{
[3]} He was later a professor at
Sichuan University^{
[4]} and became the president of the university and of the
Chinese Mathematical Society.^{
[2]}

**^**Chao Ko at the Mathematics Genealogy Project- ^
^{a}^{b}Awardee of Mathematics and Mechanics Prize: Ke Zhao, Holeung Ho Lee Foundation, retrieved 2015-03-02. **^**"柯召----中国科学院学部".*casad.cas.cn*. Retrieved 2022-07-28.**^**About SCU, Sichuan University, retrieved 2015-03-02.

Categories:

- 1910 births
- 2002 deaths
- Alumni of the Victoria University of Manchester
- 20th-century Chinese mathematicians
- Educators from Taizhou, Zhejiang
- Mathematicians from Zhejiang
- Members of the Chinese Academy of Sciences
- People of the Republic of China
- Scientists from Taizhou, Zhejiang
- Xiamen University alumni
- Tsinghua University alumni
- Academic staff of Tsinghua University
- Presidents of Sichuan University
- Chinese scientist stubs
- Asian mathematician stubs