(January 25, 1736 – April 10, 1813)
This Italo-Franco prime mover was born and baptized as Giuseppe Lodovico Lagrangia in Turin, Italy. But he later adopted the French version of his name. Like some of his scientific predecessors, Joseph-Louis Lagrange pursued a career in law before developing interest in mathematics. And despite being largely self-taught, his proficiency enabled the 19-year-old to be appointed tutor at Turin’s Royal Artillery College in 1755. His expertise includes Number Theory, Analysis and Rational Mechanics. He was so brilliant and improvising that Leonhard Euler (his academic adviser via correspondence) and Jean le Rond d’Alembert (his mentor) recommended him to succeed Euler as the Math Director of the Berlin Academy of Sciences, when Euler left for Saint Petersburg in 1766. Lagrange would spend 20 years in Berlin: producing fantastic works on both maths and mathematical physics. He returned to Paris in 1787, joined France’s Academy of Sciences; and in the following year, published his highly influential blockbuster: Mécanique Analytique, which he had written in Berlin. This helped transform both Classical and Celestial mechanics. His other acclaimed treatises include: Theorie des Fonctions Analytiques and Résolution des Équations Numériques. At this time, he was math professor at the École Polytechnique Paris (which was established in 1794). Within Analysis, Lagrange researched extensively on Calculus of Variations, and in the process, consolidated the Variation of Parameters. He even devised ways of using Differential Calculus to solve multifarious problems: including the Theory of Probabilities. Of all the geniuses whose maths and physics crowned the 18th century, only Leonhard Euler surpassed Lagrange.
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I’m a fan of Lagrange. He did many important stuffs in many areas. His Calculus of Variations worked really well for me.
Thanks for the terrific post
Dear Sir,
My name is Vladimir Pletser. I would like to use in a publication about rational mechanics the picture of Joseph-Louis Lagrange that is on the Sapaviva website under the Nr 32.
Would you be so kind to let me know your conditions for using this picture?
Thanking you in adavnce,
with best regards
Vladimir Pletser
Prof. Dr. Ir. V. Pletser
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Just want to say that your articles are astounding. I like such formats. Short, rich and spectacular.
He was a fantastic mathematician.
Nice article
I’m a Lagrange fan, thanks.
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I love Lagrangian Mechanics.
I like the contents and outlook of this site.
I visit this site regularly, and it’s always been a pleasant experience for me.
Top tier
Added to my rss feed
A field-marshal like him needs no introduction. Nevertheless, thanks for paying him respect here.
Nice website!
Like!! I blog frequently and I really thank you for your content. The article has truly peaked my interest.
I like your blog.
Bravo for a job well-done!
Bravo to the Grandmaster of Rational Mechanics
Excellent review!
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I’m happy to know.
Every literary work is open to interpretation.
‘Get up & go’ is how I love scientific information.
So, thanks for keeping them simple & straightforward.
A delightful blog!
Nice blog here! Lagrange was a giant in so many ways.
Awesome!
Good job – I’m impressed with your website.
Up there with the very best.
He was on top of mathematics for 50 years.
Should have been in Top 10
Approached math with a great sense of purpose.
Marvelous posting! I encourage you to continue your great work. Have a nice day!
Came with red-hot novelties