Johann Christian Martin Bartels

Johann Christian Martin Bartels
Born	12 August 1769 Brunswick, Duchy of Brunswick-Lüneburg
Died	20 December 1836 (1836-12-21) (aged 67) Dorpat, Russian Empire
Nationality	Russian
Alma mater	University of Helmstedt University of Göttingen
Scientific career
Fields	Geometry
Institutions	University of Jena University of Kazan
Academic advisors	Johann Friedrich Pfaff Abraham Gotthelf Kästner
Notable students	Nikolai Lobachevsky[1]

Johann Christian Martin Bartels (12 August 1769 – 20 December [O.S. 7 December] 1836) was a German mathematician. He was the tutor of Carl Friedrich Gauss in Brunswick and the educator of Lobachevsky at the University of Kazan.