Nobel Prize in Physics 1930
On 28 February 1928, the Indian physicist Sir Chandrasekhara Venkata Raman discovered the Raman effect: the change in the wavelength of light that occurs when a light beam is deflected by molecules. Read Raman’s Nobel Prize lecture on his experiments on the scattering of light.
Nobel Prize award ceremony 1930. Sir Chandrasekhara Venkata Raman to the left.
Photographer unknown (TT Nyhetsbyrån). Public domain, via Wikimedia Commons