Jean-Robert Argand, Date of Birth, Place of Birth, Date of Death
TweetJean-Robert Argand
Swiss mathematician
Date of Birth: 18-Jul-1768
Place of Birth: Geneva, Canton of Geneva, Switzerland
Date of Death: 13-Aug-1822
Profession: mathematician
Nationality: Switzerland
Zodiac Sign: Cancer 
About Jean-Robert Argand
- Jean-Robert Argand (UK: , US: , French: [??~ ??b?? a?g?~]; July 18, 1768 – August 13, 1822) was an 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.
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