Samarendra Nath Biswas (1 May 1926 – 4 January 2005) was born in the undivided Bengal now part of Bangladesh and had his education there till the graduate level graduating from Pabna Edward college. He obtained his DPhil degree (1951) from the University of Calcutta and PhD degree (under the supervision of Herbert S. Green) (1958) from the University of Adelaide, Australia. He worked in theoretical physics, specializing in elementary particle physics. He was a Fellow at the Tata Institute of Fundamental Research, Mumbai (1958–64). Professor of Physics, Centre for Advanced Study in Physics, Department of Physics and Astrophysics, University of Delhi (1969–91), during which he also headed the Department for a period of three years (1977-1979). He was Dean, School of Environmental Science, Jawahar Lal Nehru University, Delhi (1974–76).