Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work. Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES. Dr Peter HatfieldVisitor Research themeAstronomy and astrophysicsLasers and high energy density science Sub departmentAstrophysics Research groupsGalaxy formation and evolutionHintze Centre for Astrophysical Surveys peter.hatfield@physics.ox.ac.uk peterhatfield.wordpress.com About Publications