MATHEMATICIAN

Albert Girard

1595 - 1632

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Albert Girard (French pronunciation: [alˈbɛʁ ʒiˈʁaʁ]) (11 October 1595 in Saint-Mihiel, France − 8 December 1632 in Leiden, Dutch Republic) was a French-born mathematician. He studied at the University of Leiden. He "had early thoughts on the fundamental theorem of algebra" and gave the inductive definition for the Fibonacci numbers. He was the first to use the abbreviations 'sin', 'cos' and 'tan' for the trigonometric functions in a treatise. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Albert Girard is the 488th most popular mathematician (down from 357th in 2019), the 3,048th most popular biography from France (down from 2,534th in 2019) and the 76th most popular French Mathematician.

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Among MATHEMATICIANS

Among mathematicians, Albert Girard ranks 488 out of 1,004. Before him are Bruno Abakanowicz, James Waddell Alexander II, Abu Mansur al-Baghdadi, Whitfield Diffie, Guidobaldo del Monte, and James Stirling. After him are Andrey Nikolayevich Tikhonov, Pierre Vernier, Otto Hölder, Auguste Kerckhoffs, Lazarus Fuchs, and Simon von Stampfer.

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Contemporaries

Among people born in 1595, Albert Girard ranks 15. Before him are Vasile Lupu, Antonio Maria Abbatini, Ludovico Ludovisi, Pieter de Molijn, Maciej Kazimierz Sarbiewski, and Guru Hargobind. After him are Jean Desmarets, Henri de Montmorency, 4th Duke of Montmorency, Heo Mok, Joachim Ernest, Duke of Schleswig-Holstein-Sonderburg-Plön, and Henry Lawes. Among people deceased in 1632, Albert Girard ranks 22. Before him are Ludovico Ludovisi, Anna of Cleves, Ernest Casimir I, Count of Nassau-Dietz, Jan Porcellis, Margherita Gonzaga, Duchess of Lorraine, and Abraham Janssens. After him are David Vinckboons, Augustus, Count Palatine of Sulzbach, Philippe van Lansberge, Giovanni Battista Crespi, Ahmed Mohammed al-Maqqari, and Henri de Montmorency, 4th Duke of Montmorency.

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In France

Among people born in France, Albert Girard ranks 3,048 out of 6,770. Before him are Joanni Perronet (1877), Édouard Chavannes (1865), Louis, Duke of Vendôme (1612), Jean-Louis Debré (1944), Louise Adélaïde d'Orléans (1698), and Alain Bombard (1924). After him are Guiraut Riquier (1230), Félix Gaillard (1919), Henri Helle (1873), Émilie de Villeneuve (1811), André-Adolphe-Eugène Disdéri (1819), and Henri Laurens (1885).

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Among MATHEMATICIANS In France

Among mathematicians born in France, Albert Girard ranks 76. Before him are Pierre Raymond de Montmort (1678), Jacques Ozanam (1640), Pierre Alphonse Laurent (1813), Yves Meyer (1939), Ismaël Bullialdus (1605), and Charles Julien Brianchon (1783). After him are Pierre Vernier (1580), Pierre Wantzel (1814), Henri Brocard (1845), Arnaud Denjoy (1884), Jean Leray (1906), and Jean-Baptiste-Charles-Joseph Bélanger (1790).

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