Before she turned her peculiar inventions into a billion-dollar business empire, Joy Mangano had worked as an airline assistant and a waitress. Her best-known invention has been the Miracle Mop, a self-wringing mop made of plastic. She has also penned a memoir and has inspired the 2015 film Joy.
Stephanie Kwolek was an American chemist remembered for her invention of Kevlar. She worked at the DuPont Company for over four decades and was awarded the company's Lavoisier Medal for her discovery. In 1995, she was inducted into the National Inventors Hall of Fame, becoming the fourth woman to be inducted. She also won other awards including the Perkin Medal.
Mary Anderson was a real estate developer, rancher, and inventor. She is best known for inventing the windshield wiper blade. She received her first patent for an automatic car window cleaning device controlled from inside the car in 1903. She was inducted into the National Inventors Hall of Fame in 2011, more than half a century after her death.
The daughter of Jewish immigrants in New York, Gertrude B. Elion excelled in chemistry at Hunter College, where she studied for free, but was initially unable to find a job due to gender bias. The renowned biochemist and pharmacologist later won a Nobel and became a pioneer in medical research.
16 Sarah Boone
Hertha Ayrton was a British engineer, physicist, mathematician, and inventor. She is remembered for her work on electric arcs and ripple marks in sand and water, for which she was awarded the Hughes Medal by the Royal Society. As a woman in the 19th century, she had to face innumerable struggles in her career. She was also a passionate suffragist.
Eleanor Coade was a British businesswoman known for her astute entrepreneurial, business, and marketing skills. She manufactured Neoclassical statues, architectural decorations, and garden ornaments. She created stoneware for many famous buildings, including St George's Chapel, The Royal Pavilion, Brighton, and Carlton House. She was one of the few women to run a highly successful business in the Georgian era.
23 Hedy Lamarr
Hedy Lamarr was an Austrian-American actress whose early career was defined by her performance in the controversial Czech erotic film Ecstasy. Apart from gaining popularity as a beautiful Hollywood actress, Hedy Lamarr became known as an inventor after co-inventing frequency-hopping spread spectrum. Her career has inspired several works of art. She was also the inspiration behind the iconic character Catwoman.