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Muhammad Ali vs. Sonny Liston by Neil Leifer
Neil Leifer's iconic photograph of the moment, in 1965, when Ali stood over Liston, shouting, 'Get up and fight , sucker!' If you want to read some of the 'Icons of Photography' features here is the link http://www.amateurphotographer.co.uk/features/ICONS_features_297553.html