Editing Leonhard Euler (section)

=== Death ===
[[File:Euler Grave at Alexander Nevsky Monastry.jpg|thumb|Euler's grave at the [[Alexander Nevsky Lavra|Alexander Nevsky Monastery]]]]

In St. Petersburg on 18 September 1783, after a lunch with his family, Euler was discussing the newly discovered planet [[Uranus]] and its orbit with [[Anders Johan Lexell]] when he collapsed and died of a [[brain hemorrhage]].<ref name="righteye" /> {{ill|Jacob von Staehlin|de}} wrote a short obituary for the [[Russian Academy of Sciences]] and Russian mathematician [[Nicolas Fuss]], one of Euler's disciples, wrote a more detailed eulogy,<ref name="novaacta" /> which he delivered at a memorial meeting. In his eulogy for the [[French Academy of Sciences|French Academy]], French mathematician and philosopher [[Marquis de Condorcet]] wrote:

{{blockquote|''il cessa de calculer et de vivre''— ... he ceased to calculate and to live.<ref name=condorcet/>}}

Euler was buried next to Katharina at the [[Smolensk Lutheran Cemetery]] on [[Vasilievsky Island]]. In 1837, the [[Russian Academy of Sciences]] installed a new monument, replacing his overgrown grave plaque. In 1957, to commemorate the 250th anniversary of his birth, his tomb was moved to the [[Lazarevskoe Cemetery]] at the [[Alexander Nevsky Monastery]].{{sfn|Calinger|2016|pp=530–536}}