Born-9 January 1922 AD and Died-9 November 2011 AD. He was an Indian citizen. He is the inventor of artificial genes. He discovered the genetic code. Mentions the role of nucleotides in the chemical structure and function of cells. Synthetic copies of genes are synthesized in yeast cells. His book is Chemical Biology. Awarded Nobel in Medicine (1968), Girdner Foundation International Award, Louise Gross Horwitz Prize, Willard Gibbs Award, Padma Vibhushan etc.