Ayer warned Tyson to desist. "Do you know who the f--- I am?" he replied. "I'm the heavyweight champion of the world." Ayer stood his ground. "And I am the former Wykeham Professor of Logic," he announced. "We are both pre-eminent in our field; I suggest that we talk about this like rational men." When Tyson turned his attention to Ayer, the model slipped out. Her name? Naomi Campbell.