Madam C.J. Walker

Developed the hot comb and patented it in 1900. She once worked for Annie Malone since she was the first to develope hair care products for African Americans and a company. Madam C.J. Walker was accused of imitating Annie Malone's products. In her building there were barbershop, a beauty parlor, classrooms, an auditorium and other facilities which made it popular gathering place in St. Louis.