d’Alembert

Jean Baptiste le Rond d’Alembert  and the Great Encyclopedy

Jean Baptiste le Rond d’Alembert and the Great Encyclopedy

On November 16, 1717, French mathematician, mechanician, physicist, philosopher, and music theorist Jean Baptiste le Rond d’Alembert was born. He was one of the most important mathematicians and physicists of the 18th century and a philosopher of the Enlightenment.  Probably he is best known as co-editor with Denis Diderot of the famous Encyclopédie, edited between 1751 and 1772.[5] “Nothing is more incontestable than the existence of our sensations; …” — Jean Baptiste le Rond d’Alembert,…
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Denis Diderot’s Encyclopedia, or a Systematic Dictionary of the Sciences, Arts, and Crafts

Denis Diderot’s Encyclopedia, or a Systematic Dictionary of the Sciences, Arts, and Crafts

On July 31, 1784, French philosopher, art critic, and writer Denis Diderot passed away. Diderot is best known for serving as co-founder, chief editor, and contributor to the Encyclopédie along with Jean le Rond d’Alembert.[1] He was a prominent figure during the Enlightenment. “From fanaticism to barbarism is only one step.” — Denis Diderot, Essai sur le Mérite de la Vertu (1745) The Oldest Child of a Jansenist Master Cutler Denis Diderot…
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Pierre Simon de Laplace and his true love for Astronomy and Mathematics

Pierre Simon de Laplace and his true love for Astronomy and Mathematics

On March 28, 1749, French mathematician and astronomer Pierre Simon marquis de Laplace was born, whose work was pivotal to the development of mathematical astronomy and statistics. One of his major achievements was the conclusion of the five-volume Mécanique Céleste (Celestial Mechanics) which translated the geometric study of classical mechanics to one based on calculus, opening up a broader range of problems. “One sees, from this Essay, that the theory of probabilities…
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Ferdinand Berthoud and the Chronometer

Ferdinand Berthoud and the Chronometer

On March 19 1727, French horologist Ferdinand Berthoud was born. Together with his great rival, Pierre Le Roy, Berthoud contributed to the development of the chronometer in the attempt to solve the problem of determining longitude at sea. Berthoud‘s improvements to the chronometer have been largely retained in present-day designs. Becoming a Master Watch Maker Ferdinand Berthoud was born in in Plancemont, Val-de-Travers, in the Canton of Neuchâtel, Switzerland, into a distinguished…
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Jean-Rondolphe Perronet and the Bridges of Paris

Jean-Rondolphe Perronet and the Bridges of Paris

Jean-Rodolphe Perronet (1708-1794) On October 27, 1708, French architect and structural engineer Jean-Rodolphe Perronet was born. He is best known for his many stone arch bridges, among them his most popular work, the Paris Pont de la Concorde. Jean-Rodolphe Perronet was born in Suresnes, a suburb of Paris, the son of a Swiss Guardsman. At 17 he entered the architectural practice of Jean Beausire, “first architect” to the city of Paris, as…
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