The 1st Battle of Kharkov was named so by a person who was born in which year ?
Wilhelm Keitel Wilhelm Keitel (22 September 1882 – 16 October 1946) was a German field marshal who served as Chief of the Armed Forces High Command ("Oberkommando der Wehrmacht" or OKW) in Nazi Germany during World War II. According to David Stahel, Keitel was "well known and [...] reviled as Hitler's dependable mouthpiece and habitual yes-man" among his military colleagues.
Nikolai Günther Nikolai Maximovich Günther (Russian: Николай Максимович Гюнтер , also transliterated as Nicholas M. Gunther or N. M. Gjunter) (December 17 [O.S. December 5] 1871 – May 4, 1941) was a Russian mathematician known for his work in potential theory and in integral and partial differential equations: later studies have uncovered his contributions to the theory of Gröbner bases.