Gyula_Vályi
Gyula Vályi (25 January 1855,[1] Neumarkt am Mieresch, Austrian Empire (now Târgu Mureş, Romania) – 13 October 1913, Kolozsvár, Austria-Hungary (now Cluj-Napoca, Romania)) was a Hungarian mathematician and theoretical physicist, a member of the Hungarian Academy of Sciences, known for his work on mathematical analysis, geometry, and number theory.