Jean robert argand biography template
Argand lamp.
Argand diagram
Jean-Robert Argand
Genevan mathematician
Jean-Robert Argand (, ,[1][2]French:[ʒɑ̃ʁɔbɛʁaʁɡɑ̃]; July 18, – August 13, ) was a Genevan amateur mathematician.
In , 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.
Life
Jean-Robert Argand was born in Geneva, then Republic of Geneva, to Jacques Argand and Eve Carnac.
His background and education are mostly unknown. Since his knowledge of mathematics was self-taught and he did not belong to any mathematical organizations, he likely pursued mathematics as a hobby rather than a profession.
Argand moved to Paris in with his family and, when managing a bookshop there, privately published his Essai sur une manière de représenter les quantités imaginaires dans les constructions géométriques (Essay on a method of representing imaginary quan