In 1965 Thomas Kuhn and Karl Popper met at the University of London to stage what has turned out to be the most momentous philosophical debate of the 20th century. At stake was no less than the soul of science itself...No discipline remained untouched by the consequences of this exchange. Was it really such a good thing that Kuhn's 'postmodernism' triumphed over Popper's 'positivism'? Kuhn vs. Popper is a provocative account of a landmark confrontation in which 'the wrong guy' won.