Johann Christian Martin Bartels
German mathematician
Johann Christian Martin Bartels was a German mathematician. He was the tutor of Carl Friedrich Gauss in Brunswick and the educator of Lobachevsky at the University of Kazan. Wikipedia
Born: August 12, 1769, Braunschweig, Germany
Died: December 20, 1836 (age 67 years), Tartu, Estonia
Notable student: Nikolaĭ Ivanovich Lobachevskiĭ
Education: University Of Helmstedt and University of Göttingen
Grandchildren: Karl von Struve, Ernst Struve, and Nikolai Struve
Children: Johanna von Struve