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Dorothy Mary Crowfoot Hodgkin [May 12, 1910-July 29, 1994] was a British chemist. She pioneered the use of X-ray crystallography, by which the three-dimensional structures of biomolecules could be determined. With this method, she confirmed the structures of cholesterol, in 1937; the wonder drug penicillin, in 1945; vitamin B12, in 1954; and insulin, in 1969. Additionally, she confirmed the structures of ferritin, lactoglobulin, and the dreaded tobacco mosaic virus. For her achievements regarding vitamin B12, she was awarded the Nobel Prize in Chemistry, in 1964.

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16y ago

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