She wrote the first “computer” program
Augusta Ada King, Countess of Lovelace who was commonly known as “Ada Lovelace,” worked on a very early computer known as the Analytical Engine in the 1800s. The daughter of poet Lord Byron, King was interested in writing—though in a different way than her father. She composed an algorithm for the engine that is thought of as the first computer program.
She influenced the creation of Bluetooth and Wi-Fi
Hedy Lamarr, a famed actress who appeared in classic films like Tortilla Flats and Dishonored Lady, was noted also for devising with composer George Antheil a technique for transmitting radio signals that later allowed for the creation of Bluetooth and Wi-Fi.