Career
In 1924, Dart discovered the first fossil ever found of Australopithecus africanus, an extinct hominid closely related to humans, at Taung in North South Africa, in the province Northwest. However, because he was not part of the scientific establishment, and because he found the fossil in Africa, and not Europe or Asia, where the establishment supposed man's origins, his findings were dismissed initially.
Dart's closest ally was Robert Broom whose discoveries of further Australopithecines (as well as Wilfrid Le Gros Clark's support) eventually vindicated Dart, so much so that in 1947 Sir Arthur Keith said "...Dart was right, and I was wrong". Keith made this statement referring to his dismissal and skepticism of Dart's analysis of the 'Taung Child' as an early human ancestor; Keith thought that it was more likely to be an ape, yet later research by Broom confirmed Dart's theories.
Not all of Dart's ideas are accepted now. His assertion that gazelle long-bones found in association with Australopithecus africanus were used as tools is unproven and largely dismissed. Dart also originated the killer ape theory. Although some other anthropologists, notably Robert Ardrey, defended and further developed the theory, it is still widely questioned.
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