What is E. C. George Sudarshan?
{{Infobox scientist |name = George Sudarshan |image = ECG_Sudarshan.jpg |image_size = 245px |caption = E. C. G. Sudarshan at TIFR Mumbai in 2009 |birth_date = {{Birth date|df=yes|1931|09|16}} |death_date = {{death date and age|df=y|2018|05|14|1931|09|16}} |birth_place = [[Pallam]], [[Kerala]], [[India]] |death_place = [[Austin, Texas]], [[United States|U.S.]] |alma_mater = [[CMS College Kottayam]]<br>[[Madras Christian College]]<br>[[University of Madras]]<br>[[University of Rochester]] |doctoral_advisor = [[Robert Marshak]] |doctoral_students = [[Mohammad Aslam Khan Khalil]]<br>[[Narasimhaiengar Mukunda]] |known_for = [[Coherence (physics)|Optical coherence]]<br>[[Sudarshan-Glauber representation]]<br>[[V-A theory]]<br>[[Tachyon]]<br>[[Quantum Zeno effect]]<br>[[Open quantum system]]<br>[[Spin-statistics theorem]] |footnotes = |field = [[Theoretical physics]] |work_institution = [[University of Texas at Austin]]<br>[[Indian Institute of Science]]<br>[[Institute of Mathematical Sciences, Chennai]] <br>[[Harvard University]]<br>[[University of Rochester]] <br>[[Tata Institute of Fundamental Research]] |prizes = [[Dirac Medal of the ICTP|ICTP Dirac Medal]] <small>(2010)</small><br>[[Padma Vibhushan]] <small>(2007)</small><br>[[Majorana Prize]] <small>(2006)</small><br>[[TWAS Prize]] <small>(1985)</small><br>Bose Medal <small>(1977)</small><br>[[Padma Bhushan]] <small>(1976)</small><br>C. V. Raman Award <small>(1970)</small> }}'''Ennackal Chandy George Sudarshan''' (also known as '''E. C. G. Sudarshan'''; 16 September 1931 &ndash; 14 May 2018)<ref>[http://english.mathrubhumi.com/news/kerala/acclaimed-scientist-ecg-sudarshan-passes-away-in-texas-physicist-1.2809679 Acclaimed scientist ECG Sudarshan passes away in Texas]</ref> was an Indian theoretical [[physicist]]. He was a professor at the [[University of Texas at Austin]]. Sudarshan was known for his works to the field of theoretical Physics including [[Coherence (physics)|Optical coherence]], [[Sudarshan-Glauber representation]], [[V-A theory]], [[Tachyon]]s,