by L. S. B. Leakey , Ph.D.
Curator, Coryndon Museum, Nairobi In July this year Dr. Leakey's wife, working with her husband, discovered a fossil skull at Olduvai Gorge, Tanganyika, where Dr. Leakey has been working since 1931. He maintains that this skull, dating from the Lower Pleistocene more than half I million years ago, represents the earliest known true maker of stone .ools and it thus the earliest known ' man.'
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