Viswanathan Sasisekharan (born 1933) is an Indian Molecular biologist, known for his contributions to the fields of biopolymers and the structure of DNA.
His work on optimal conformations of macromolecules suggested an alternative model for the conventional Watson-Crick double helix.
He is a recipient of several awards including the Om Prakash Bhasin Award, Honor Summus Medal of the Watumull Foundation and the J.
C.
Bose Medal of the Indian National Science Academy.
The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, in 1977, for his contributions to biological sciences.