Correct Answer: A
Explanation:
Frederick Sanger
Born Aug. 13, 1918, Rendcombe, Gloucestershire, England.
English biochemist who was twice the recipient of the Nobel Prize for Chemistry. He was awarded the prize in 1958 for his determination of the structure of the insulin molecule. He shared the prize (with Paul Berg and Walter Gilbert) in 1980 for his determination of base sequences in nucleic acids. Sanger was only the fourth two-time recipient of the Nobel Prize.