This ancient human footprint from the Laetoli site in Tanzania was made by Australopithecus afarensis approximately million years ago. This fossil cast can be seen in the Spitzer Hall of Human Origins. Photographed by Craig
A single footprint of Australopithecus afarensis (top), left some million years ago at Laetoli, Tanzania, shows a striking similarity to a single footprint of a habitually barefoot modern human being from Peru (bottom).
Mary Leakey was a British archaeologist and anthropologist, who discovered the first fossilized Proconsul skull, an extinct ape now believed to be ancestral to humans. For much of her career she worked together with her husband, Louis Leakey, in Olduvai Gorge, uncovering the tools and fossils of ancient hominines. She developed a system for classifying the stone tools found at Olduvai. She also discovered the Laetoli footprints.