Science · 1792–1856

Nikolai Ivanovich Lobachevsky — Age, Birthday & Biography

Born: 1 December 1792 · Died: 24 February 1856 · Age: 63

Russian mathematician who pioneered the development of non-Euclidean geometry

Did you know?His ground-breaking work was so revolutionary that it was initially rejected by the scientific community and only recognised after his death.

Quick facts

  • Date of birth1 December 1792
  • Date of death24 February 1856
  • Age at death63
  • NationalityRussian
  • BirthplaceNizhny Novgorod, Russia
  • Occupationmathematician, university teacher

Editor's Take:

Nikolai Lobachevsky challenged a rule that had been accepted for two thousand years. He showed that a consistent geometry could exist in which parallel lines behave differently from Euclid's. Few understood him in his own day. He spent his career running a provincial university. His ideas later underpinned modern mathematics and Einstein's view of curved space. Today a crater on the Moon and an asteroid bear his name. Mathematicians now count him among the founders of modern geometry.

Key Milestones

  1. 1811: Graduates from Kazan University
  2. 1827: Becomes rector of Kazan University
  3. 1829: Publishes his new geometry
  4. 1855: Publishes Pangeometry

Nikolai Ivanovich Lobachevsky (Russian: Никола́й Ива́нович Лобаче́вский, IPA:; 1 December 1792 – 24 February 1856) was a Russian mathematician and geometer, known primarily for his work on hyperbolic geometry, otherwise known as Lobachevskian geometry, and also for his fundamental study on Dirichlet integrals, known…

Text from Wikipedia, licensed under CC BY-SA 4.0

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Nikolai Lobachevsky: Pioneer of Non-Euclidean Geometry

Russian mathematician, born 1792

Nikolai Ivanovich Lobachevsky was born in Nizhny Novgorod on 1 December 1792.

He developed hyperbolic geometry.

He showed geometry can work without Euclid's parallel postulate.

He was rector of Kazan University.

Career highlights

  1. 1811Kazan: graduates
  2. 1827Rector: Kazan University
  3. 1829Geometry: first publication
  4. 1840German: book published
  5. 1855Pangeometry: last work

Did you know?His work was largely ignored during his lifetime.

Age at death
63
Years since death
170

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When is Nikolai Ivanovich Lobachevsky's birthday?
Nikolai Ivanovich Lobachevsky's birthday is December 1. He was born on December 1, 1792 in Nizhny Novgorod, Russia.
How old was Nikolai Ivanovich Lobachevsky when he died?
Nikolai Ivanovich Lobachevsky died on February 24, 1856, aged 63.
Who shares a birthday with Nikolai Ivanovich Lobachevsky?
Famous people who share Nikolai Ivanovich Lobachevsky's December 1 birthday include Pablo Escobar, Georgy Zhukov, Sebastián Piñera, Nikolay Karamzin and Andrew Tate.

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Reviewed by the Who Shares My Birthday editorial team.

Last reviewed: October 2026