E C G Sudarshan and Tachyons

Professor E.C. George Sudarshan was one of India’s most distinguished physicists of the late twentieth century. Born in Kottayam, Kerala, he pursued his education in Kottayam, Chennai, and Mumbai before making groundbreaking contributions to multiple fields, including elementary particle physics, quantum optics, quantum information, quantum field theory, and classical mechanics. With over 500 research papers and 10 books to his name, his work spanned scientific and philosophical domains.. Moreover, he held academic positions at esteemed institutions such as the University of Rochester, Harvard, Syracuse, IISc Bangalore, and IMSc Chennai; his longest tenure—47 years—was at the University of Texas.