Science · Politics · Technology · 1736–1813

Joseph-Louis Lagrange — Age, Birthday & Biography

Born: 25 January 1736 · Died: 10 April 1813 · Age: 77

Mathematician and astronomer who revolutionised the field of mechanics

Did you know?He was born in Italy as Giuseppe Luigi Lagrangia and only moved to Paris later in life at the invitation of Louis XVI.

Quick facts

  • Date of birth25 January 1736
  • Date of death10 April 1813
  • Age at death77
  • NationalityItalian-French
  • BirthplaceTurin, Italy
  • Occupationmathematician, astronomer, physicist

Editor's Take:

Joseph-Louis Lagrange turned mechanics into pure mathematics. His Analytical Mechanics famously contained no diagrams. Everything followed from equations. His methods are still used in physics, from planets to particles. The points in space where a spacecraft can sit balanced between two bodies carry his name. He kept working through the French Revolution. Napoleon later made him a count. He is buried in the Panthéon in Paris. Students of physics still meet his name in their first courses on mechanics.

Key Milestones

  1. 1766: Succeeds Euler at the Berlin Academy
  2. 1772: Finds the Lagrange points
  3. 1788: Publishes Analytical Mechanics
  4. 1795: Helps develop the metric system

Joseph-Louis Lagrange (born Giuseppe Luigi Lagrangia or Giuseppe Ludovico De la Grange Tournier; 25 January 1736 – 10 April 1813), also reported as Giuseppe Luigi Lagrange or Lagrangia, was an Italian and naturalized French mathematician, physicist and astronomer.

Text from Wikipedia, licensed under CC BY-SA 4.0

Profile

Joseph-Louis Lagrange: Master of Mechanics

Italian-French mathematician, born 1736

Joseph-Louis Lagrange was born in Turin on 25 January 1736.

He wrote Analytical Mechanics in 1788.

He discovered the Lagrange points where gravity balances.

He helped create the metric system.

Career highlights

  1. 1755Turin: professor at 19
  2. 1766Berlin: succeeds Euler
  3. 1772Lagrange points: three-body problem
  4. 1787Paris: moves
  5. 1788Analytical Mechanics: published

Did you know?The James Webb Space Telescope orbits near one of his Lagrange points.

Age at death
77
Years since death
213

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Questions people ask

Frequently asked questions

When is Joseph-Louis Lagrange's birthday?
Joseph-Louis Lagrange's birthday is January 25. He was born on January 25, 1736 in Turin, Italy.
How old was Joseph-Louis Lagrange when he died?
Joseph-Louis Lagrange died on April 10, 1813, aged 77.
Who shares a birthday with Joseph-Louis Lagrange?
Famous people who share Joseph-Louis Lagrange's January 25 birthday include Volodymyr Zelenskyy, Thomas Aquinas, Virginia Woolf, Robert Burns and Vladimir Vysotsky.

Born on the same day6

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Vladimir Vysotsky1938–1980

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Reviewed by the Who Shares My Birthday editorial team.

Last reviewed: October 2026