Jean-Robert Argand
#8,222
Most Influential Person Across History
Swiss mathematician
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Jean-Robert Argandmathematics Degrees
Mathematics
#427
Historical Rank
Measure Theory
#6964
Historical Rank

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Mathematics
Why Is Jean-Robert Argand Influential?
(Suggest an Edit or Addition)According to Wikipedia, Jean-Robert Argand 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.