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28/01/1903 British crystallographer Kathleen Lonsdale is born

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Crystallographers in Conference 1965: Kathleen Lonsdale

She proved that the benzene ring is flat by using X-ray diffraction methods to elucidate the structure of hexamethylbenzene. The benzene molecule is composed of six carbon atoms joined in a ring with one hydrogen atom attached to each. Kathleen Lonsdale also worked on the synthesis of artificial diamonds.
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