Born 1883, Edith Clarke was the first woman to be professionally employed as an electrical engineer in the USA. She was also the first woman to deliver a research paper to the American institute of Electrical Engineers (AIEE) which went on to be the Institute of Electrical and Electronics engineers (IEEE)
Born 1975, Marissa Mayer is one of the most powerful businesswomen in the world. She was the first female to be hired by Google as an engineer and was the first female CEO of a Fortune 500 company, Yahoo. She is currently working on AI technology, an area she is an expert on, with the company Lumi Labs.
Born 1815, Ada Lovelace was and English mathematician and writer, known for her work on Charles Babbage's proposed mechanical general-purpose computer; known as the Analytical Engine. She was the first person to notice that the machine had higher applications than calculations.
Born 1867, Marie Curie was a physicist and chemist who worked on pioneering research regarding radioactivity. She was the first woman to win a Nobel Prize, the first person to win a Nobel Prize twice and the only person to have won a Nobel in two scientific fields. She is known for her discovery of radium and polonium; along with her contributions to finding treatments for cancer.