Texas typist Bette Nesmith Graham used white paint to cover her mistakes, leading to her 1950s invention.
Flat-bottomed brown paper bag
Snack at your cube and thank Margaret Knight, who created the paper-sack machine in the 1870s.
Sixteenth-century noblewoman Lady Mary Wortley Montagu saved lives by bringing the Turkish folk remedy back home to England.
Helen Greiner cofounded iRobot; the company’s Packbot has dismantled countless explosives in Iraq.
Rosalind Franklin had a pivotal role in mapping the double helix in the 1950s, but she received most of her awards posthumously.
Women in tight dresses everywhere owe a debt of gratitude to clever comedian turned entrepreneur Sara Blakely, who invented these ubiquitous underthings in 1998.