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 James MatthewsRoyal Society University Research Fellow Research themeAstronomy and astrophysicsParticle astrophysics & cosmology Sub departmentAstrophysics Research groupsGalaxy formation and evolutionMeerKATPulsars, transients and relativistic astrophysicsGamma-ray astronomy james.matthews@physics.ox.ac.uk Telephone: 01865(2)73299 Denys Wilkinson Building, room Undercroft Website About Into the Cosmos Publications