page_title: Nikolai Ivanovich Lobachevsky
hierarchical_section_title: Nikolai Ivanovich Lobachevsky
caption_attribution_description: Pic of a 19th century painting. Public domain, from en wiki image
context_page_description: Nikolai Ivanovich Lobachevsky was a Russian mathematician. He became known for his achievements in non-Euclidean geometry.
context_section_description: Nikolai Ivanovich Lobachevsky (Никола́й Ива́нович Лобаче́вский, 1792–1856) was a Russian mathematician. He became known for his achievements in non-Euclidean geometry.
caption: Nikolay Ivanovich Lobachevsky
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