| http://www.w3.org/ns/prov#value | - Their work has led to some of the most important paleoanthropological discoveries of the last half-century, including Johanson's discovery of the Lucy specimen in Ethiopia's Awash Valley in 1974 and Leakey's discovery of the 1.6 million-year-old Homo erectus youth skeleton known as Turkana Boy in 1984.
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