Nikolai Chebotaryov
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Nikolai Chebotaryov (often spelled Chebotarov or Chebotarev) (Russian: Николай Григорьевич Чеботарёв, Ukrainian: Микола Григорович Чоботарьов) (15 June [O.S. 3 June] 1894, Kamenets-Podolsk, Ukraine – July 2, 1947, Moscow, USSR) was a noted Russian and Soviet mathematician. He is best known for the Chebotaryov density theorem.
He was a student of Dmitry Grave, a famous Russian mathematician. Chebotaryov worked on the algebra of polynomials, in particular examining the distribution of the zeros. He also studied Galois theory and wrote an influential textbook on the subject titled Basic Galois Theory.