Cauchy

[koh-shee] /koʊˈʃi/
noun
1.
Augustin Louis
[oh-gy-stan lwee] /oʊ güˈstɛ̃ ˈlwi/ (Show IPA), 1789–1857, French mathematician.
British Dictionary definitions for Cauchy

Cauchy

/ˈkaʊʃɪ; French koʃi/
noun
1.
Augustin Louis (oɡystɛ̃ lwi), Baron Cauchy. 1789–1857, French mathematician, noted for his work on the theory of functions and the wave theory of light