Boris Delaunay

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Boris N. Delaunay.

Boris Nikolaevich Delaunay (March 15, 1890 – July 17, 1980) (or Delone; Russian language: Борис Николаевич Делоне), was a Soviet/Russian mathematician. He worked in the fields of modern algebra, the geometry of numbers, and mathematical crystallography. The Delaunay triangulation was introduced by him in 1934 and is named in his honor. He was born in Saint Petersburg, and died in Moscow. His students included Aleksandr Aleksandrov and Igor Shafarevich, two of the leading Soviet mathematicians of their time.

(The spelling Delone is a straightforward transliteration from the Cyrillic alphabet. Boris Delone got his surname from an Irish ancestor called Deloney, who was among the mercenaries left in Russia after the Napoleonic invasion of 1812. Delaunay is the French transliteration of the name.)