Science: Old Men

The two most ancient fossil humans known are Sinanthropus pekinensis, the old man of China, and Pithecanthropus erectus, the ape man of Java. Their ages have been variously put at 400,000 to 1,000,000 years. First Pithecanthropus relics were found in Java by a Dutchman, Eugene Dubois, in 1892. First good Sinanthropus specimen was discovered in the Choukoutien caves near Peking by W. C. Pei in 1929.

The late Dr. Davidson Black, who was in charge of the Choukoutien site when the Sinanthropus find was made, noticed how much the skull resembled that of the...

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