Dr.E C G Sudarshan was an Indian born theoretical physicist and professor at University of Texas . He is credited for several contribution in physics, out of which most renowned is discovery of "Tachyons". He is well known for is incredible research in field of Optical coherence, sudarshan-glauber representation, V-A theory, open quantum system, Quantum zeno effect. he has also won numerous awards including Padma Bhushan, Padma Vibhushan, TWAS prize, Bose medal, C.V.Raman award and ICTP Dirac Award. He also has notable contributions in relation between West-East, and religion. He challenged the "theory of relativity" by Albert Einstien, for existence of tachyons.
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