Mysore Ananthamurthy Viswamitra, Indian crystallographer and structural biologist (Shimoga, Karnakata 14 November 1932 – Bangalore 10 April 2001)

Discovered sequence dependent fine structure in DNA segments in single crystals

First to determine the structure of many mononucleotides

With O. Kennard solved the first oligonucleotide dp(AT)₂ structure, giving the first view of a DNA duplex in atomic detail

Solved the structures of two important xylanases from thermophilic organisms

Designed low temperature equipment for structure analysis of substances