Editing Christian Goldbach (section)

=== Russian government work ===
In 1728, when [[Peter II of Russia|Peter II]] became [[Tsar]] of Russia, Goldbach became Peter II and [[Anna of Russia|Anna]]'s, Peter II's cousin, tutor.<ref name="eb" /> Peter II moved the Russian court from St. Petersburg to Moscow in 1729, so Goldbach followed him to Moscow.<ref name=":3" /><ref name="eb" /> Goldbach started a correspondence with [[Leonhard Euler|Euler]] in 1729, in which some of Goldbach's most important mathematics contributions can be found.<ref name=":3" /><ref name=":1" /> Upon [[Peter II of Russia|Peter II]]'s death in 1730, Goldbach stopped teaching but continued to assist [[Anna of Russia|Empress Anna]].<ref name="eb" /> In 1732, Goldbach returned to the St. Petersburg Academy of Sciences and stayed in the Russian government when Anna moved the court back to St. Petersburg.<ref name=":3" /><ref name="eb" /> Upon return to the academy, Goldbach was named corresponding secretary.<ref name=":4" /> With Goldbach's return, his friend Euler continued his teaching and research at the academy as well.<ref name=":4" /> Then, in 1737, Goldbach and J.D. Schumacher took over the administration of the academy.<ref name="eb" /> Also, Goldbach took on duty in Russian court under Empress Anna.<ref name=":3" /><ref name="eb" /> He managed to retain his influence in court after the death of Anna and the rule of [[Elizabeth of Russia|Empress Elizabeth]].<ref name=":3" /> In 1742 he entered the [[Ministry of Foreign Affairs (Russia)|Russian Ministry of Foreign Affairs]], stepping away from the academy once more.<ref name="eb" /> Goldbach was gifted land and increased salary for his good work and rise in the Russian government.<ref name=":3" /> In 1760, Goldbach created new guidelines for the education of the royal children which would remain in place for 100 years.<ref name=":3" /><ref name="eb" /> He died on 20 November 1764, aged 74, in [[Moscow]].

Christian Goldbach was [[multilingualism|multilingual]] – he wrote a diary in [[German language|German]] and [[Latin language|Latin]], his letters were written in German, Latin, [[French language|French]], and [[Italian language|Italian]] and for official documents he used Russian, German and Latin.<ref>Adolf Juskevic, Judith Kopelevic: Christian Goldbach 1690-1764 (Vita Mathematica), Birkhäuser Publishing House, 1994, {{ISBN|3764326786}}, pg. XII.</ref>