Kathleen Lonsdale
(1903-1971)

woman

Died aged c. 68

Dame Kathleen Lonsdale DBE FRS (née Yardley; 28 January 1903 – 1 April 1971) was an Irish pacifist, prison reformer and crystallographer. 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. During her career she attained several firsts for female scientists, including being one of the first two women elected a Fellow of the Royal Society (FRS) in 1945 (along with Marjory Stephenson), first woman tenured professor at University College London, first woman president of the International Union of Crystallography, and first woman president of the British Association for the Advancement of Science.

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Commemorated on 2 plaques

Dame Kathleen Lonsdale 1903-1971 Crystallographer and peace campaigner live here in early life

19 Colenso Road, Seven Kings, London, United Kingdom where they was

X-Ray Crystallographer K. Lonsdale FRS (née Yardley) born here The Structure of Benzine

Charlotte House, Charlotte Street, Piercetown, Newbridge, Ireland where they was