deaths
February 2, 1957
Grigory Landsberg, Russian physicist and academic (born 1890)

Grigory Landsberg
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.