The noted original study of the dentition of "Peking Man" by the noted German anatomist and physical anthropologist Franz Weidenreich (1873-1947). The study is based on the early human fossil remains found in 1929 by Davidson Black in the caves at Zhoukoudian, China. "Sinanthropus pekinensis" was the original species designation. The specimens vanished during the early days of World War 2.