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Grigory Landsberg, Russian physicist and academic (born 1890)

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Grigory Landsberg
Soviet physicist
Grigory Samuilovich Landsberg was a Soviet physicist who worked in the fields of optics and spectroscopy. Together with Leonid Mandelstam he co-discovered inelastic combinational scattering of light, which is known as Raman scattering.Source: Wikipedia (CC BY-SA)