Nikolai Lobachevsky (1 dez 1792 ano – 24 fev 1856 ano)

Descrição:

Nikolay Lobachevsky (Николай Лобачевский) is a mathematician, creator of hyperbolic geometry (AKA "Lobachevsky geometry" or "non-Euclidean geometry"), a public education activist, "Copernicus of geometry".

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