Born in Raipur, British India (now Kabirwala in Pakistan), he was the youngest of five children. He served on the faculty of the University of British Columbia from 1952-1960, where he initiated his Nobel Prize winning work. He became a naturalized citizen of the United States in 1966, and subsequently received the National Medal of Science.
In the 1950s, it was established that genetic information is transferred from DNA to RNA, to protein. One sequence of three nucleotides in DNA corresponds to a certain amino acid within a protein. How could this genetic code be cracked? After Marshall Nirenberg discovered the first piece of the puzzle, the remainder of the code was gradually revealed in the years that followed. Har Gobind Khorana made important contributions to this field by building different RNA chains with the help of enzymes. Using these enzymes, he was able to produce proteins. The amino acid sequences of these proteins then solved the rest of the puzzle.
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