Jack Dempsey

William Harrison Dempsey was born in Manassa, Colorado, into a poor Mormon family of Irish, Scottish, and Cherokee descent. Leaving home at sixteen to ride freight trains as a hobo, Dempsey fought bare-knuckle saloon brawls across Western mining camps, walking into bars and issuing his famous challenge: 'I can't sing and I can't dance, but I can lick any man in the house.'

Teaming with promoter Tex Rickard and manager Doc Kearns, Dempsey refined his aggressive crouching style and developed the 'Dempsey Roll'—a rapid, figure-eight bobbing-and-weaving motion that generated tremendous kinetic punching force. On 4 July 1919 in Toledo, Ohio, 187-pound Dempsey took on 245-pound giant Jess Willard for the world heavyweight title, knocking Willard down seven times in the first round to capture the crown.

Dempsey transformed boxing into modern mega-entertainment. In 1921, his bout against French war hero Georges Carpentier at Boyle's Thirty Acres generated boxing's first-ever million-dollar gate ($1.7 million) before 91,000 spectators. His savage 1923 slugfest against Argentine puncher Luis Ángel Firpo featured eleven knockdowns in four minutes, with Dempsey being knocked entirely out of the ring into the press row before climbing back in to win. His epic 1927 rematch with Gene Tunney featured the controversial 'Long Count', cementing Dempsey's enduring status as an American folk legend.