What achievements does madame c j walker have?

Madam C. J. Walker was an entrepreneur, philanthropist, anti-lynching activist and patron of the arts. She is best known as a pioneer of the early 20th century hair care and cosmetics industries. She is in the National Business Hall of Fame and the National Women's Hall of Fame.
Source: On Her Own Ground: The Life and Times of Madam C. J. Walker by A'Lelia Bundles