N.D. Hari Dass did his matriculation from Mahajana High School, Mysore, his BSc(Hons) and MSc from Delhi University, and his PhD from University of California at Santa Barbara. After that he worked at UCLA, Max Planck Inst. for Physics at Munich (Werner-Heisenberg Institute), Niels Bohr Inst. at Copenhagen, Raman Research Inst. at Bangalore and National Inst. for High Energy Physics at Amsterdam before joining IMSc in Chennai from where he retired as a Senior Professor. He was then the DAE Raja Ramanna Professor at IISc, Bangalore and Adjunct Professor at Chennai Mathematical Inst.. He is now a visiting professor at TCIS . He is a fellow of the National Academy of Sciences, Allahabad.