Leonid Isaakovich Mandelshtam
| Leonid Mandelshtam | |
|---|---|
| Born | 4 May 1879 Mogilev, Russian Empire |
| Died | 27 November 1944 (aged 65) Moscow, USSR |
| Doctoral advisor | Karl Ferdinand Braun |
| Doctoral students |
Aleksandr Andronov, Mikhail Leontovich, Sergey Rytov, Igor Tamm |
Leonid Isaakovich Mandelstam or Mandelshtam (Belarusian: Леанід Ісаакавіч Мандэльштам, Russian: Леони́д Исаа́кович Мандельшта́м; IPA: [lʲɪɐˈnʲid isɐˈäkəvʲitɕ məndʲɪlʲˈʂtam]; May 4, 1879 – November 27, 1944) was a Soviet physicist of Belarusian-Jewish background.
Leonid Mandelstam was born in Mogilev, Russian Empire (now Belarus). He studied at the Novorossiya University in Odessa, but was expelled in 1899 due to political activities, and continued his studies at the University of Strasbourg. He remained in Strasbourg until 1914, and returned with the beginning of World War I. He was awarded the Stalin Prize in 1942. Mandelstam died in Moscow, USSR (now Russia).
The main emphasis of his work was broadly considered theory of oscillations, which included optics and quantum mechanics. He was a co-discoverer of inelastic combinatorial scattering of light used now in Raman spectroscopy (see below). This paradigm-altering discovery (together with G. S. Landsberg) had occurred at the Moscow State University just one week earlier than a parallel discovery of the same phenomena by C. V. Raman and K. S. Krishnan. In Russian literature it is called "combinatorial scattering of light" (from combination of frequencies of photons and molecular vibrations) but in English it is named after Raman.
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