By James Clerk Maxwell (late Professor, late Professor, Trinity College, Cambridge)
By Colin Maunder
By Graham Booth, G.R. McDuell
By Andrew Chandler-Grevatt, Nicky Thomas
By Alan Isaacs
By George A. Hay, Donald J. Hughes
By Tim James
By Patrick Moore
By Katharina Holzinger (Universitat Konstanz, Germany), Christoph Knill (Universitat Konstanz, Bas Arts (Wageningen Universiteit, The Netherlands)
By Chris Sunley, Sue Kearsey, Andrew Briggs
By David R. Lide (National Institute of Standards & Technology (Retired), Gaithersburg, Maryland, USA)
By Jeremy Pollard
By Ian Rohr
By Nick England
By Christopher Jargodzki, Franklin Potter
By Andrey Grozin (Budker Inst Of Nuclear Physics, Russia)
By Eleanor Lawrence
By Jearl Walker (Cleveland State University)
By Martin A. Uman
By Derek Bell, et al
By Theodore P. Jorgensen
By Malcolm Bradley, Susan Gardner, Chris Sunley
By Michael J Dickinson
By Hugh Duncan
By Breithaupt, Jim, Newman, Viv, Ryan, Lawrie
By Sheree Boyd
By Tim Woollings (Associate Professor, Department of Physics, Associate Professor, University of Oxford)
By Fil Hunter (commercial photographer), Steven Biver (commercial photographer), Paul Fuqua (professional editorial writer and photographer)