Phoebe Sarah Hertha Ayrton (28 April 1854 – 26 August 1923[1]) was a British engineer, mathematician, physicist and inventor. Known in adult life as Hertha Ayrton, born Phoebe Sarah Marks, she was awarded the Hughes Medal by the Royal Society for her work on electric arcs and ripples in sand and water.
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Garatzailea: Piwigo