Mathematician:Johann Heinrich Lambert

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Mathematician

Swiss mathematician, physicist and astronomer.

The first to introduce hyperbolic functions into trigonometry.

Made conjectures regarding non-Euclidean space.

Credited with the first proof that $\pi$ is irrational.


Nationality

Swiss


History

  • Born: 26 Aug 1728, Mülhausen, Alsace (now Mulhouse, France)
  • Died: 25 Sept 1777, Berlin, Prussia (now Germany)


Theorems and Definitions

Results named for Johann Heinrich Lambert can be found here.

Definitions of concepts named for Johann Heinrich Lambert can be found here.


Publications

  • 1760: Photometria
  • 1761: Cosmologische Briefe über die Einrichtung des Weltbaues
  • 1761: Mémoire sur quelques propriétés remarquables des quantités transcendentes circulaires et logarithmiques
  • 1764: New Organon
  • 1772: Ammerkungen und Zusatze zurder Land und Himmelscharten Entwerfung


Sources