Nordita, KTH Royal Institute of Technology and Stockholm University

Professor Emeritus of Theoretical Astrophysics in the University of Cambridge

Australian National University, Research School of Astronomy and Astrophysics

Department of Physics and Institute of Astronomy, National Tsing Hua University, Taiwan

University of Cambridge

Professor Emeritus of Mechanical and Aerospace Sciences and of Astronomy, University of …

Assistant Professor, Inter-University Centre for Astronomy and Astrophysics, Pune, India

University of Colorado

University of Colorado

Associate Research Professor, Astrophysical and Planetary Sciences, University of …