Billy Mills
WEBWilliam Mervin Mills (born June 30, 1938), also known by his Oglala Lakota name Tamakhóčhe Theȟíla, is an American Oglala Lakota former track and field athlete who won a gold medal in the 10,000 metre run ( mi) at the 1964 Tokyo 1964 victory is considered one of the greatest Olympic upsets because he was a virtual unknown .