Henry J. PERKINSON
Christopher Peter ORMELL
WHO'S WHO
Ray PERCIVAL Organiser and Chairman of the Annual One-Day Conference on the Philosophy of Sir Karl Popper. His Ph.D.: I am working on Popper's notion of an immunising stratagem, and exploring the role of these devices in the evolution of networks of ideas in response to criticism. Specifically, i would like to determine the exact logical possibilities for the evasion of criticism and also the costs of evasion in terms of reduced ideological survival value.