Jean-Robert Argand
Genevan mathematician / From Wikipedia, the free encyclopedia
Jean-Robert Argand (UK: /ˈɑːrɡænd/, US: /ˌɑːrˈɡɑːn(d)/,[1][2] French: [ʒɑ̃ ʁɔbɛʁ aʁɡɑ̃]; July 18, 1768 – August 13, 1822) was a Genevan amateur mathematician. In 1806, while managing a bookstore in Paris, he published the idea of geometrical interpretation of complex numbers known as the Argand diagram and is known for the first rigorous proof of the Fundamental Theorem of Algebra.
Quick Facts Born, Died ...
Jean-Robert Argand | |
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Born | July 18, 1768 Geneva, Republic of Geneva |
Died | August 13, 1822 (1822-08-14) (aged 54) |
Nationality | Republic of Geneva, and then Switzerland (since 1815) |
Known for | Argand diagram and Proof of Fundamental Theorem of Algebra |
Scientific career | |
Fields | Mathematics |
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