I am a Visiting Professor of physics at the Centre for Quantum Computation, the Clarendon Laboratory, Oxford University.I work on fundamental issues in physics, particularly the quantum theory of computation and information, and constructor theory.

I have written two books – The Fabric of Reality and The Beginning of Infinity – aimed at the general reader.

Some thinkers I admire: Karl Popper, Michael Faraday, William Godwin, and Richard Feynman.