"Upright man". Homo erectus emerged in Africa about 1.6 million years ago and developed fire, clothing, language, and weapon use.
Articles on KurzweilAI.net that refer to Homo ErectusThe Age of Spiritual Machines: Glossary By Ray Kurzweil
Cyber Sapiens By Chip Walter
The Age of Spiritual Machines: Timeline By Ray Kurzweil
News Articles that refer to Homo ErectusNew Species Revealed: Tiny Cousins of Humans
Could Ethiopian skull be missing link?