Rene Descartes was a philosopher, mathematician & scientist. He spent regarding twenty years of his life ……
René Descartes (31 March 1596 – 11 February 1650)[was a French philosopher, mathematician, and scientist. A native of the Kingdom of France, he spent about 20 years (1629–1649) of his life in the Dutch Republic after serving for a while in the Dutch States Army of Maurice of Nassau, Prince of Orange and the Stadtholder of the United Provinces. One of the most notable intellectual figures of the Dutch Golden Age, Descartes is also widely regarded as one of the founders of modern philosophy.
Many elements of Descartes’s philosophy have precedents in late Aristotelianism, the revived Stoicism of the 16th century, or in earlier philosophers like Augustine. In his natural philosophy, he differed from the schools on two major points: first, he rejected the splitting of corporeal substance into matter and form; second, he rejected any appeal to final ends, divine or natural, in explaining natural phenomena. In his theology, he insists on the absolute freedom of God’s act of creation. Refusing to accept the authority of previous philosophers, Descartes frequently set his views apart from the philosophers who preceded him. In the opening section of the Passions of the Soul, an early modern treatise on emotions, Descartes goes so far as to assert that he will write on this topic “as if no one had written on these matters before.” His best known philosophical statement is “cogito, ergo sum” (“I think, therefore I am”; French: Je pense, donc je suis), found in Discourse on the Method (1637; in French and Latin) and Principles of Philosophy (1644, in Latin).
Descartes has often been called the father of modern philosophy, and is largely seen as responsible for the increased attention given to epistemology in the 17th century. He laid the foundation for 17th-century continental rationalism, later advocated by Spinoza and Leibniz, and was later opposed by the empiricist school of thought consisting of Hobbes, Locke, Berkeley, and Hume. Leibniz, Spinoza, and Descartes were all well-versed in mathematics as well as philosophy, and Descartes and Leibniz contributed greatly to science as well. Descartes’s Meditations on First Philosophy (1641) continues to be a standard text at most university philosophy departments. Descartes’s influence in mathematics is equally apparent; the Cartesian coordinate system was named after him. He is credited as the father of analytical geometry, the bridge between algebra and geometry—used in the discovery of infinitesimal calculus and analysis. Descartes was also one of the key figures in the Scientific Revolution.
René Descartes was born in La Haye en Touraine (now Descartes, Indre-et-Loire), France, on 31 March 1596. His mother, Jeanne Brochard, died soon after giving birth to him, and so he was not expected to survive. Descartes’s father, Joachim, was a member of the Parlement of Brittany at Rennes. René lived with his grandmother and with his great-uncle. Although the Descartes family was Roman Catholic, the Poitou region was controlled by the Protestant Huguenots. In 1607, late because of his fragile health, he entered the Jesuit Collège Royal Henry-Le-Grand at La Flèche, where he was introduced to mathematics and physics, including Galileo’s work. After graduation in 1614, he studied for two years (1615–16) at the University of Poitiers, earning a Baccalauréat and Licence in canon and civil law in 1616, in accordance with his father’s wishes that he should become a lawyer. From there he moved to Paris.
Descartes arranged to give lessons to Queen Christina after her birthday, three times a week at 5 am, in her cold and draughty castle. It soon became clear they did not like each other; she did not care for his mechanical philosophy, nor did he share her interest in Ancient Greek. By 15 January 1650, Descartes had seen Christina only four or five times. On 1 February he contracted pneumonia and died on 11 February. The cause of death was pneumonia according to Chanut, but peripneumonia according to Christina’s physician Johann van Wullen who was not allowed to bleed him. (The winter seems to have been mild, except for the second half of January which was harsh as described by Descartes himself; however, “this remark was probably intended to be as much Descartes’ take on the intellectual climate as it was about the weather.”)
E. Pies has questioned this account, based on a letter by the doctor van Wullen; however, Descartes had refused his treatment, and more arguments against its veracity have been raised since. Descartes might have been assassinated.
As a Catholic in a Protestant nation, he was interred in a graveyard used mainly for orphans in Adolf Fredriks kyrka in Stockholm. His manuscripts came into the possession of Claude Clerselier, Chanut’s brother-in-law, and “a devout Catholic who has begun the process of turning Descartes into a saint by cutting, adding and publishing his letters selectively.” In 1663, the Pope placed his works on the Index of Prohibited Books. In 1666 his remains were taken to France and buried in the Saint-Étienne-du-Mont. In 1671 Louis XIV prohibited all the lectures in Cartesianism. Although the National Convention in 1792 had planned to transfer his remains to the Panthéon, he was reburied in the Abbey of Saint-Germain-des-Prés in 1819, missing a finger and the skull. His skull is on display in the Musée de l’Homme in Paris.
- Mathematical concepts named after Descartes
- Cartesian coordinate system
- Cartesian diagram
- Cartesian diver
- Cartesian morphism
- Cartesian oval
- Cartesian plane
- Cartesian product
- Cartesian product of graphs
- Cartesian theater
- Cartesian tree
- Descartes number
- Descartes’ rule of signs
- Descartes’s theorem (4 tangent circles)
- Descartes’ theorem on total angular defect
- Folium of Descartes
- Cartesian circle
- Cartesian doubt
- 3587 Descartes, asteroid
- Descartes crater and Highlands on the Moon (Apollo 16 landing site)
- Cartesian materialism (not a view that was held by or formulated by Descartes)
- Paris Descartes University
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