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Irish-born chemist Kathleen Yardley Lonsdale (1903-1971) was made Dame Commander of the Order of the British Empire in 1956 for her work in x-ray crystallography; in 1968, she became the first woman elected as President of the British Association for the Advancement of Science (BAAS). The caption to this photograph taken by F.C. Livingstone said that "Dame Lonsdale was the wee grandmother who is the new president of the BAAS.

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Irish-born chemist Kathleen Yardley Lonsdale (1903-1971) was made Dame Commander of the Order of the British Empire in 1956 for her work in x-ray crystallography; in 1968, she became the first woman elected as President of the British Association for the Advancement of Science (BAAS). The caption to this photograph taken by F.C. Livingstone said that "Dame Lonsdale was the wee grandmother who is the new president of the BAAS.
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Project Gutenberg (gutenberg_org@mastodon.social)'s status on Wednesday, 29-Jan-2025 01:39:36 JST Project Gutenberg

British crystallographer, pacifist, and prison reform activist Kathleen Lonsdale was born #OTD in 1903.
She proved, in 1929, that the benzene ring is flat by using X-ray diffraction methods to elucidate the structure of hexamethylbenzene. She was the first to use Fourier spectral methods while solving the structure of hexachlorobenzene in 1931.
https://en.wikipedia.org/wiki/Kathleen_Lonsdale
#cristallography #womeninStem

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