Jean-Robert Argand

Jean-Robert Argand was a Genevan amateur mathematician. In 1806, while managing a bookstore in Paris, he published the idea of the geometrical interpretation of complex numbers known as the Argand diagram and is known for the first rigorous proof of the fundamental theorem of algebra.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• Jean-Robert Argand and Marie-Jeanne de Lalande were born the same year
• Jean-Robert Argand and Jędrzej Śniadecki were born the same year
• Jean-Robert Argand and Joseph Fourier were born the same year
• Jean-Robert Argand was born 1 year after Nicolas Théodore de Saussure
• Jean-Robert Argand was born 1 year after Heinrich Friedrich Link

Timeline

1. Heinrich Friedrich LinkFebruary 2, 1767 – January 1, 1851
2. Nicolas Théodore de SaussureOctober 14, 1767 – April 18, 1845
3. Jean-Robert Argand (this page)July 18, 1768 – August 13, 1822
4. Jędrzej ŚniadeckiNovember 30, 1768 – May 1838
5. Joseph FourierMarch 21, 1768 – May 16, 1830
6. Marie-Jeanne de Lalande1768 – November 8, 1832

Related

• Isaac NewtonDecember 25, 1642 – March 20, 1727
• Johann Wolfgang von GoetheAugust 28, 1749 – March 22, 1832
• Immanuel KantApril 22, 1724 – February 12, 1804
• René DescartesMarch 31, 1596 – February 11, 1650
• Marie CurieNovember 7, 1867 – July 4, 1934
• Nicolaus CopernicusFebruary 19, 1473 – May 24, 1543
• Louis PasteurDecember 27, 1822 – September 28, 1895
• Gottfried Wilhelm LeibnizJune 21, 1646 – November 14, 1716