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): Blake Bortles • Bradley Johnson • Drew Gulak • Erich Salomon • Eva Adamczyková • Ezra Abbot • Franz Sparry • LeRon Ellis • Matt Chapman • Robert Cornthwaite (actor) • Song Yuvin • T. John Lesinski • Tim Congdon • Timothy Curley • Tobias Asser • William Guarnere
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