David Livingstone was a doctor from Scotland, trained at the University of Glasgow and sent to South Africa by the London Missionary Society. He attended to both the spiritual and physical needs of people as he met them, but he also aimed to help people by being more strategic - trying to end slavery and promote trade. These quests caused him to be the first European to cross the African Continent.

It should be noted that Livingstones words are of his time and would be seen as racist by todays standards. He uses the terms and the science that were available to him, which were flawed, but is...