By John Woodruff
By Michael Wall
By J.B. Sidgwick, R.C. Gamble
By Michael Brooks, Rick Edwards
By Colin Reid
By Kevin R. Grazier, Stephen Cass
By Kenneth R. Lang
By J. Kelly Beatty, Andrew Chaikin, Carl Sagan
By Stuart Atkinson
By John D. Barrow (Cambridge University)
By Robert Snedden
By Joanna Brundle, Drue Rintoul
By Holly Duhig, Danielle Rippengill
By Giles Sparrow
By Chris Oxlade
By John Farndon, Ian McMullen
By Kathryn Whyman, Ian McMullen
By Nelson, Craig
By DK, Lisa Swerling, Ralph Lazar
By Tristan Gooley
By Neil Gunn
By Jacqueline Mitton, Simon Mitton
By Vincent Cronin
By David Christian
By Scientifi Scientific American
By P. C. W. Davies
By E. G. Richards (formerly Senior Lecturer in the Department of Biophysics, formerly Senior Lecturer in the Department of Biophysics, King's College London (retired))