MATHEMATICIAN

Jean-Robert Argand

1768 - 1822

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Jean-Robert Argand (UK: , US: , French: [ʒɑ̃ ʁɔbɛʁ aʁɡɑ̃]; July 18, 1768 – August 13, 1822) 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. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Jean-Robert Argand is the 269th most popular mathematician (down from 254th in 2019), the 151st most popular biography from Switzerland (up from 162nd in 2019) and the 9th most popular Swiss Mathematician.

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Among MATHEMATICIANS

Among mathematicians, Jean-Robert Argand ranks 269 out of 1,004. Before him are Aristyllus, Al-Khazini, Eugène Charles Catalan, Lady Byron, Kazimierz Kuratowski, and Eduard Heine. After him are Alexandre-Théophile Vandermonde, Nikolay Bogolyubov, Jabir ibn Aflah, Paul Lévy, Seymour Papert, and Robert Recorde.

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Contemporaries

Among people born in 1768, Jean-Robert Argand ranks 17. Before him are Princess Augusta Sophia of the United Kingdom, Louis Desaix, Nakşidil Sultan, Caroline of Brunswick, Lazare Hoche, and Tecumseh. After him are Marie-Guillemine Benoist, Charles August, Crown Prince of Sweden, Frederick William, Prince of Nassau-Weilburg, Peter Wittgenstein, Sikandar Jah, and Joseph Anton Koch. Among people deceased in 1822, Jean-Robert Argand ranks 14. Before him are Armand-Emmanuel de Vignerot du Plessis, Duc de Richelieu, René Just Haüy, Jean Baptiste Joseph Delambre, Giovanni Battista Venturi, Johann Matthäus Bechstein, and Paolo Ruffini. After him are Karl August von Hardenberg, Johann Gottlob Theaenus Schneider, Valentin Haüy, Pierce Butler, Slimane of Morocco, and Bathilde d'Orléans.

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In Switzerland

Among people born in Switzerland, Jean-Robert Argand ranks 151 out of 1,015. Before him are Hans Martin Sutermeister (1907), Alfonsina Storni (1892), Antoine-Henri Jomini (1779), Ernest Ansermet (1883), Humbert I, Count of Savoy (980), and Kurt Koch (1950). After him are Germain Henri Hess (1802), Jakob Ammann (1644), Ami Argand (1750), Max Bill (1908), Jacques Charles François Sturm (1803), and Nicolas Théodore de Saussure (1767).

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Among MATHEMATICIANS In Switzerland

Among mathematicians born in Switzerland, Jean-Robert Argand ranks 9. Before him are Johann Bernoulli (1667), Gabriel Cramer (1704), Jost Bürgi (1552), Jakob Steiner (1796), Paul Guldin (1577), and Nicolaus II Bernoulli (1695). After him are Jacques Charles François Sturm (1803), Simon Antoine Jean L'Huilier (1750), Johann II Bernoulli (1710), Nicolaus I Bernoulli (1687), Johann Baptist Cysat (1585), and Jakob Hermann (1678).

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