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Davidson Black

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Davidson Black was a highly influential Canadian paleoanthropologist. A paleoanthropologist is a scientist who studies ancient fossils to understand the history of life. Black is most famous for his work in China. He identified a significant group of fossils known as Sinanthropus pekinensis. This group is now classified as Homo erectus pekinensis. His research helped change how scientists think about where humans came from.

Black was born in Toronto, Ontario, in 1884. As a child, he spent much of his time near the Kawartha lakes. He enjoyed collecting fossils along the banks of the Don River. He even tried to search for gold in the lakes. In 1906, he earned a degree in medical science from the University of Toronto. He later studied comparative anatomy, which is the study of how different animals' bodies are built. This medical background was vital for his future work with fossils.

His interest in human evolution began in 1914. He worked with a neuroanatomist named Grafton Elliot Smith in Manchester, England. Smith was studying the Piltdown Man at that time. After serving in the Royal Canadian Army Medical Corps during World War I, Black moved to China in 1919. He joined the Peking Union Medical College. He started as a professor of neurology and embryology. By 1924, he was the head of the anatomy department.

In 1926, Black began a major investigation at a site called Zhoukoudian, also known as Dragon Bone Hill. This search was possible because of a grant from the Rockefeller Foundation. During the summer of 1926, an excavator named Otto Zdansky found two fossil molars. Zdansky described these as belonging to the genus Homo. Black believed these teeth belonged to a brand-new human species. He named them Sinanthropus pekinensis. He valued these finds so much that he carried one tooth in a velvet-lined copper case on his belt.

Discovery continued in November 1928. Workers found a lower jaw, several teeth, and skull fragments. These fossils significantly expanded the scientific knowledge of human evolution. Because of this success, the Rockefeller Foundation provided Black with an $80,000 grant. This money helped him establish the Cenozoic Research Laboratory. He used this facility to study the many specimens found at the site. Black often worked late into the night to examine these ancient remains.

Black was a leading supporter of the Asia hypothesis. This is the theory that human origins can be found in Asia. In a 1925 paper, he suggested humans might have originated in Tibet, British India, or the Tarim Basin of China. His work caused the focus of paleoanthropological research to move toward Asia until 1930. For his contributions, he received the Daniel Giraud Elliot Medal in 1931. Later, the extinct ape Gigantopithecus blacki was named in his honor.

Tragedy struck the collection during World War II. Scientists attempted to ship the fossils to a safer location. During the war, the Japanese gained control of the Peking Union Medical College. The laboratory containing the fossils was ransacked. The remaining specimens were confiscated, and the original bones were lost. To this day, no one knows if they were stolen or simply lost. Only plaster imprints of the fossils remain in Washington, London, and at the medical college.

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