Extinction: What it Means to Us Authors Martin Rees University of Cambridge image/svg+xml DOI: https://doi.org/10.31501/repats.v1i1.9946 Author Biography Martin Rees, University of Cambridge Emeritus Professor of Cosmology and Astrophysics at the University of Cambridge. Downloads PDF (Portuguese (Brazil)) Published 2018-09-18 Issue SPECIAL ISSUE OF REPATS Nº 01 Section Opinion Paper