Before he was the World Heavyweight Champion and a cultural icon of 1920s, William Harrison Dempsey spent his youth as a miner, cowboy, and farmhand in the Rocky Mountain Region. A native of Manassa, Colorado, Dempsey was born to poor Mormon parents who traveled throughout Colorado and Utah looking for work wherever they could find it. Robust and powerful, Dempsey demonstrated a talent for fighting, and, with the guidance of his brother, Bernie, he embarked on a career as a professional boxer, first as “Kid Blackie”, and, later, “Jack” Dempsey. Colorado Experience spotlights the early roots of one of the state’s most renowned native sons, Jack Dempsey, the Manassa Mauler.