Hertha Ayrton
Phoebe Sarah Hertha Ayrton was a British engineer, mathematician, physicist and inventor, and suffragette. 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 ripple marks in sand and water.
28 April 1854
Born on the same birth day (28 April): Andy Flower • Brian Greenhoff • Ferruccio Lamborghini • Kurt Gödel • Larissa Grunig • Larry Smith (Canadian politician) • Lois Duncan • Roman Polák • Shane McClanahan
Born in the same month (April 1854): April 13 • Charles Sumner Tainter • Henri La Fontaine • Henri Poincaré • Hugh Massie • Ludwig Levy • Martin Lipp • William Stang