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Died when: 82 years 128 days (988 months)
Star Sign: Taurus
Solomon Grigor'evich Mikhlin (Russian: Соломо́н Григо́рьевич Ми́хлин, real name Zalman Girshevich Mikhlin) (the family name is also transliterated as Mihlin or Michlin) (23 April 1908 – 29 August 1990) was a Soviet mathematician of who worked in the fields of linear elasticity, singular integrals and numerical analysis: he is best known for the introduction of the concept of "", which eventually led to the foundation and development of the theory of pseudodifferential operators. He was born in Kholmech, a Belarusian village, and died in Saint Petersburg (former Leningrad).