Nikolaj Ivanovic Lobacevskij

Data di nascita: 1 December 1792
Data di morte: 24 February 1856
In: Kazan'


He was a Russian mathematician and geometer, known primarily for his work on hyperbolic geometry, otherwise known as Lobachevskian geometry and also his fundamental study on Dirichlet integrals known as Lobachevsky integral formula.
William Kingdon Clifford called Lobachevsky the "Copernicus of Geometry" due to the revolutionary character of his work.

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