(CNN)In 1960, Curt Gunther was an established sports photographer. A young boxer named Cassius Clay was heading to the Olympics, unknown by most outside his hometown of Louisville, Kentucky, and some avid followers of the sport.
Previously unseen photos show young Muhammad Ali at home
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It was probably about then, says Curt Gunther's son, Steve, that two paths crossed, with the young boxer setting out on his history-making course and the photographer setting out to chronicle that course in images.
For decades, Curt Gunther stood by Ali's side both in and out of the ring, capturing the knockout punches that made news, and the candid moments that made up home life for a man who championed his sport and his beliefs.
Personal photographs of Muhammad Ali, rarely seen by the public, are some of the thousands of archives handed down from Curt Gunther to his son before the elder Gunther died in 1991.