By David Lindley
By Lisa Randall
By Janna Levin
By Brian Greene
By Max Tegmark
By John D. Barrow, Frank J. Tipler
By J.G. Taylor
By Stephen Richards
By John Archibald Wheeler
By Keith J. Devlin
By Roger Penrose
By Christophe Galfard
By Lawrence M. Krauss
By Leon M. Lederman, Christopher T. Hill
By Priyamvada Natarajan
By Michael Wall
By Michael Brooks, Rick Edwards
By Giles Sparrow
By Kenneth R. Lang
By John D. Barrow (Cambridge University)
By Richard Kent
By Ritchie, Rob
By David Christian
By P. C. W. Davies
By Adam Rutherford, Hannah Fry
By Noel Edmonds
By Vincent Cronin
By Neil Gunn
By Dr Sten Odenwald