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Dorothy Hodgkin

In Our Time: Science

00:00

The Chemical Composition of Vit B 12

Vit b 12 is one of a family of vitemins, b vitemins. It had been extracted from liver and its chemical composition was not known. But dorothy found that it contained a metal atom which was unusual. She then solved the structure in three-dimensional data - first time this has ever been done.

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