Mary Seacole (November 23, 1805 – May 14, 1881)
Mary Seacole, nurse, entreprenuer, and traveler. Mary Seacole is responsible for nursing hundreds of British soldiers back to health during the Crimean War with her knowledge of herbalism and nursing. She furthered her nursing experience during a cholera epidemic in Panama and in caring for yellow fever victims in Jamaica.
Seacole was born a "free person" in Kingston Jamaica to a Scottish father and free Jamaican mother. Her father was a Scottish soldier and her mother was a healer who used traditional Caribbean and West African herbal medicine. She traveled extensively with her husband to Bahamas, Haiti, and Cuba, augmenting her knowledge of local medicines and treatments.
You can learn more from her memoir " The Wonderful Adventures of Mrs Seacole in Many Lands".