Kiyoshi Yabuuchi
Kiyoshi Yabuuchi
**Kiyoshi Yabuuchi** (*Yabuuchi Kiyoshi* 薮内 清; 12 February 1906 (Meiji 39\) – 2 June 2000 (Heisei 12\)), often written in [Kunrei\-shiki romanization](/wiki/Kunrei-shiki_romanization "Kunrei-shiki romanization") as **Kiyosi Yabuuti**, was a Japanese astronomer and historian of science. He gained an international reputation as a leading pioneer in the field of pre\-1840 [Chinese mathematics](/wiki/Chinese_mathematics "Chinese mathematics") and [Chinese astronomy](/wiki/Chinese_astronomy "Chinese astronomy").


Can you give an example of a historical figure who made significant contributions to both mathematics and astronomy?