Professor of Physics, Princeton University

Professor of Astrophysics, University of Glasgow

Professor Emeritus, Haverford College

Jodrell Bank Centre for Astrophysics, The University of Manchester

Professor of Astroparticle Physics and Radio Astronomy, Radboud University, Nijmegen

Professor of Physics, University of Manchester

Max-Planck-Institut für Radioastronomie

Physics and Astronomy, University of British Columbia

University of Oxford

LPC2E, Université d'Orléans, and Nançay Radio Observatory