The Peking man was a thinking being, standing erect, dating to the beginning of the Ice Age.

He also became friends with First Nations people and learned one First Nations language. (2009). Later he presented the tooth to the Rockefeller Foundation which wanted more specimens before further grants would be given.

Davidson Black FRS (born July 25 1884 Toronto Ontario Canada died March 15 1934 Beijing China) was a Canadian paleoanthropologist best known for his naming of Sinanthropus pekinensis (now Homo erectus pekinensis). He was known as 步達生 (pinyin: Bù Dáshēng) in China.