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Jia Xian

Jia Xian (Simplified Chinese: 贾宪, Traditional Chinese: 賈憲, Pinyin Alphabet: Jiǎ Xiàn, Wade-Giles /Beijing Chinese: Chia Hsien; 1010-1070) was a Chinese mathematician and astronomer. Besides the fact that he succeeded in defining Pascal's triangle in the eleventh century, he made many mathematical inventions and astronomical discoveries.


Kidinnu is a Mesopotamian scientist who lived in the fourth century BC, whose name was given to a Lunar crater with a surface area of more than Croatia (60 km2), made lots of contributions to astronomy and mathematics, and is considered the “Father of science”.