Rosalind Franklin, chemist & X-ray crystallographer, was born #OnThisDay in 1920. Her work on X-ray diffraction images of DNA helped lead to the discovery of the structure of DNA, but her efforts were only recognised posthumously. #RosalindFranklin https://t.co/nGQSnWfxkZ...
Lire la suiteIn 1834, Dmitri Mendeleev was born #OnThisDay. He was a Russian chemist and inventor who formulated the Periodic Law and created the earliest example of a periodic table. He was elected a Foreign Member of the Royal Society in 1892, and won both our Davy...
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