K. S. S. Nambooripad

K. S. S. Nambooripad (6 April 1935 – 4 January 2020) was an Indian mathematician. His works were related to the structure theory of regular semigroups. Nambooripad was also important in popularising the TeX software in India. He helped create the free software movement in India.
He was with the Department of Mathematics, University of Kerala, beginning in 1976. He was the Department Head from 1983 until his retirement from University service in 1995.
Nambooripad died on 4 January 2020 at his home in Thiruvananthapuram, Kerala at the age of 84.