(March 31, 1596 – February 11, 1650)
Famous for the Cartesian coordinate system which was named in his honor, René Descartes was one of 17th century’s most influential intellectuals. His interests included philosophy, mathematics, science, religion and general rationalism. As a key player in the scientific revolution which emanated from the Italian Renaissance, Descartes worked in France, Netherlands and Sweden. He made lasting contributions to Coordinate Geometry. His analyses (alongside those of Pierre de Fermat and others), laid the foundation for Newton’s and Leibniz’s discovery of Calculus. He was extremely inventive: solving problems and devising theorems such as the Rule of Sign for Polynomial Roots. Apart from developing and utilizing this Rule of Sign to ascertain the number of positive and negative roots of a polynomial, Descartes is considered the first European to fully understand algebra’s power as an abstracting tool. He is also believed to be the first person who designate x, y and z as the unknowns in equations, while denoting the knowns with a, b and c. As a consummate free thinker, he sought ways of applying philosophy to everything he studied. Some of his treatises indicate that he delved deeply into: medicine, metaphysics and theology. His profound acumens ensured that he became a pathfinder in optics, mechanics, and astronomy: as evidenced by the roles which his works played in the advancement of science. Descartes was very influential in his lifetime and has remained so centuries afterwards. Alongside Cartesian concepts, the 3587 Descartes asteroid and 48-kilometer-wide Descartes lunar crater are dedicated to him.
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“I think therefore I am.” – Rene Descartes
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Descartes-The-Cartesian
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He built the road which many of us use now.
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He remains an intellectual legend.
Descartes was great at several things
All of us hear about Descartes all the time. Still, it’s hard to imagine how awesome and versatile he really was.
I like his versatility.
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