Science · Literature · Law · 1743–1794

Antoine Lavoisier — Age, Birthday & Biography

Born: 26 August 1743 · Died: 8 May 1794 · Age at death: 50

How old was Antoine Lavoisier when he died?

Antoine Lavoisier died aged 50. He was born on 26 August 1743 and died on 8 May 1794.

French chemist who named oxygen and hydrogen, proved the conservation of mass and was guillotined during the Revolution

Did you know?He helped develop the metric system and identified oxygen as an element rather than just a gas.

Quick facts

  • Date of birth26 August 1743
  • Date of death8 May 1794
  • Age at death50
  • Cause of deathDecapitation
  • NationalityFrench
  • BirthplaceParis, France
  • Occupationchemist, economist, biologist

Editor's Take:

Antoine Lavoisier is the father of modern chemistry. A wealthy Parisian, he funded his research by working as a tax collector. He showed that in chemical reactions, matter is neither created nor destroyed. He named oxygen and hydrogen and explained combustion. He helped create a modern system for naming chemicals. He also worked on the metric system. During the Revolution he was guillotined for his tax work.

Key Milestones

  1. 1768: Academy of Sciences
  2. 1778: Oxygen – named
  3. 1787: Nomenclature – chemical names
  4. 1789: Elementary Treatise on chemistry

Antoine-Laurent de Lavoisier ( lə-VWAH-zee-ay; French:; 26 August 1743 – 8 May 1794), also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.

Text from Wikipedia, licensed under CC BY-SA 4.0

Profile

Antoine Lavoisier: The Father of Modern Chemistry

French chemist, 1743–1794

Antoine Lavoisier was born in Paris on 26 August 1743.

He worked as a tax farmer to fund his research.

He named oxygen and hydrogen.

He was guillotined on 8 May 1794.

Career highlights

  1. 1768Academy: of Sciences
  2. 1778Oxygen: named
  3. 1787Nomenclature: chemical names
  4. 1789Elementary Treatise: on chemistry
  5. 1794Executed: in Paris

Did you know?His wife Marie-Anne was his key collaborator and illustrated his experiments.

Age at death
50
Years since death
232

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Frequently asked questions

When is Antoine Lavoisier's birthday?
Antoine Lavoisier's birthday is August 26. He was born on August 26, 1743 in Paris, France.
How old was Antoine Lavoisier when he died?
Antoine Lavoisier died on May 8, 1794, aged 50.
Who shares a birthday with Antoine Lavoisier?
Famous people who share Antoine Lavoisier's August 26 birthday include Mother Teresa, Chris Pine, Guillaume Apollinaire, James Franck and Julio Cortázar.

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Reviewed by the Who Shares My Birthday editorial team.

Last reviewed: October 2026