Mary Jackson was an American mathematician and the first black female engineer at National Aeronautics and Space Administration (NASA).
Katherine Johnson was an American mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights.
Grace Brewster Murray Hopper was an American computer scientist and United States Navy rear admiral.
Hertha Ayrton was a British engineer, mathematician, physicist and inventor, and suffragette. She is best known for her work on electric arcs and ripple marks in sand and water.
Augusta Ada King, was an English mathematician and writer, chiefly known for her work on the Analytical Engine.