About Madam C. J. Walker
Madam C. J. Walker, Mrs. Charles Joseph Walker upon her third marriage, was an American entrepreneur, philanthropist, and political and social activist. Walker is recorded as the first woman to become a self-made millionaire in America in the Guinness Book of World Records. Multiple sources mention that although other women might have been the first, their wealth is not so well-documented.
Biography source:
Wikipedia
