In 1973 American organic chemist Robert Woodward (10th April, 1917 - 8th July, 1979) and Swiss chemist Albert Eschenmoser (born 5th August, 1925) published their paper on the synthesis on Vitamin B-12. Work had begun on the synthesis in the early 60s and had involved a large team of students and postdoctoral workers, and represented a huge breakthrough for organic chemistry. Robert Woodward was awarded the Nobel Prize in Chemistry in 1965.
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