SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY
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Kathleen Lonsdale (1903-1971, nee Yardley), British chemist and crystallographer. Lonsdale worked with William Henry Bragg on X-ray crystallography, joining his research team at the Royal Institution. The pioneering work carried out by their team included establishing the structure of benzene (1929) and hexachlorobenzene (1931). Lonsdale was one of the first two women elected Fellow of the Royal Society (1948) and she was the first woman professor at University College London (1949). She was made a Dame (DBE) in 1956. Photographed in 1968.
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