By Patricia M. Schwarz, John H. Schwarz (California Institute of Technology)
By Anthony C. Fischer-Cripps (Fischer-Cripps Laboratories Pty Ltd, Sydney, Australia)
By Peter Szekeres (University of Adelaide)
By Malcolm S. Longair (University of Cambridge)
By I. S. Grant, W. R. Phillips
By Daniel F. Styer (Oberlin College, Ohio)
By Andrew Rex, Stephen T. Thornton
By Tristan Needham (Associate Professor, Associate Professor, University of San Francisco)
By Gary Bowman (Department of Physics and Astronomy, Northern Arizona University)
By N.M.J. Woodhouse
By Paul C. Matthews
By Edward George Steward (Emeritus Professor, City Univ, London, UK)
By Roger G. Newton
By John P. Cullerne (Head of Physics, Winchester College), Anton Machacek (Head of Physics, Royal Grammar School, High Wycombe)
By Daniel Fleisch (Wittenberg University, Ohio)
By Ron Pickering
By David Homer
By Paul Lorrain, Dale R. Corson
By Alastair I. M. Rae (University of Birmingham, UK)
By P. C. W. Davies, D.S. Betts
By Richard Turton
By Mikio Nakahara (Kinki University, Osaka, Japan)
By George Ellis, Ruth M. Williams
By J.W. Warren
By W. G. Rees
By George Arfken (Miami University, USA)
By Kerson Huang (Massachusetts Inst Of Tech, USA)
By Lawrie Ryan, Jim Breithaupt
By David Lindley