Mathematician:Jean-Robert Argand

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Mathematician

Amateur mathematician of Swiss origin, also an accountant and bookseller, best known for the Argand diagram.

Also published, in $1814$, the first complete and rigorous proof of the Fundamental Theorem of Algebra.


Nationality

Swiss


History

  • Born: 18 July 1768, Geneva, Switzerland
  • Died: 13 Aug 1822, Paris, France


Theorems and Definitions

Definitions of concepts named for Jean-Robert Argand can be found here.


Publications

  • 1814: Réflexions sur la nouvelle théorie d'analyse (Reflections on the new theory of analysis)


Sources