Wave equations, Ideas of Escher, Kant, Plato and Wheeler." This essay is continually revised. Any old maths: Roy Frieden's project to unify physics based on Fisher information from New Scientist issue 2174, 20 February 1999, p. 53 1936 births Living people 20th-century American mathematicians 21st-century American mathematicians 21st-century American physicists University of Rochester alumni University of Arizona faculty