Inventor of the windshield wiper.
Once called the Lady Edison.
American Chemist, credited with advancing the chemical work of photo negatives
Inventor of the Coffee Filter.
Welcome to the official Madam Walker biography site, the best place for accurate historical information about Walker's life.
Read a biography of Stephanie Kwolek, the famous woman inventor and scientist who developed Kevlar.
Margaret E. Knight (February 14, 1838 – October 12, 1914) was an American inventor. She has been called