Hertha Ayrton

Phoebe Sarah Hertha Ayrton (born Phoebe Sarah Marks; 28 April 1854 – 26 August 1923), known in her adult life as Hertha Ayrton, was a pioneering English physicist, electrical engineer, mathematician, and inventor, as well as a suffragist. The first woman to become a member of the Institute of Electrical Engineers, she was awarded the Hughes Medal by the Royal Society for her work on electric arcs and ripple marks in sand and water. During the First World War, she invented an anti-gas fan for protection against poisonous gases. Throughout her life, she supported women's enterprise, providing support for both Emmeline Pankhurst and Marie Curie and contributing actively to several British women's rights organisations.

Text from Wikipedia, CC BY-SA 4.0