Nikolai Lobachevsky

Nikolai Ivanovich Lobachevsky 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 as the Lobachevsky integral formula.

1 December 1792

Born on the same birth day (1 December): Alberto Cova • Arjuna Ranatunga • Calvin Griffith • Carole Monnet • Henry Cadbury • Henry Honiball • Jerry Lawson (engineer) • Larry Walker • Malachi Throne • Marco Greco • Martin Rodbell • Matt Fraction • Mika Pohjola • Mohammad Kaif • Pamela McGee • Pat Spillane • Takeda Shingen • Zoë Kravitz • Étienne Maurice Falconet

Born in the same month (December 1792): Abraham Jacob van der Aa • Nicolas-Toussaint Charlet • Sylvester Jordan • William II of the Netherlands