Subramanian Anantha Ramakrishna (born 30 November 1972) is a professor of physics at the Indian Institute of Technology Kanpur specializing in optics and condensed matter physics. He was awarded the Shanti Swarup Bhatnagar Prize for Science and Technology, India's highest prize for excellence in science, mathematics and technology, in the physical sciences category in the year 2016.^[1] Ramakrishna obtained his M.Sc. degree from the Indian Institute of Technology Kanpur in 1995 after pursuing the integrated 5-year M.Sc. programme and secured his Ph.D. from Raman Research Institute, Bangalore, in 2001. His thesis was titled "Light transport and localization in Active and passive random media" written under the supervision of Prof. N. Kumar. He spent two years at the Imperial College, London, as a postdoctoral researcher and joined the Indian Institute of Technology Kanpur as an assistant professor in May 2003, where he now holds the position of professor.^[2] In July 2020, Prof. Ramakrishna took charge as Director of the CSIR-Central Scientific Instruments Organisation in Chandigarh on lien from IIT Kanpur and served their till October 2023.