Meet the inventors and scientists of color who changed the world! Born Sarah Breedlove near Delta, Louisiana, in 1867, Madam C. J. Walker was an entrepreneur, philanthropist, and political and social activist. She is recorded as the first female self-made millionaire in America. Among her many accomplishments, she invented a Black hair care method, known as the "Walker system," as a treatment for scalp disorders like alopecia, along...