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Rappal Sangameswara Krishnan

Rappal Sangameswara Krishnan, Indian physicist (Rappal, Kerala 23 September 1911 – 02 October 1999)


Discovered a new optical effect (Krishnan effect) in 1937

Demonstrated the existence of deuteron-tritium reaction

First established the deuteron-induced fission in uranium and thorium

Developed the ultraviolet technique of excitation for Raman spectroscopy and successfully recorded for the first time the second-order Raman spectra of diamond and alkali halides

First made Brillouin scattering experiments in diamond, quartz, alumina and alkali halides