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Nicol was Mary Leakey's maiden name. She was born Mary Nicol in London, England, in 1913. She was a renowned paleoanthropologist who, along with her husband Louis Leakey, made significant contributions to the study of human evolution. Mary Leakey's discoveries include the remains of the early hominid Australopithecus boisei and the footprints at Laetoli, Tanzania, which provided evidence of bipedalism in early humans.