By Alexander G. Nikolaev
By J. Arnold, S. Brady
By C. Gregoriou
By K. Stoddart
By Christoph Laucht
By S. Andrews
By T. Smith
By W. M. Spellman (University of North Carolina at Ashevill, Asheville, USA)
By B. Hutchinson
By J. Fisher
By S. Berger, C. Lorenz
By F. Fanon, Kenneth A. Loparo
By A. Toje
By R. Lieberman, C. Lang
By M. Solovey, H. Cravens
By K. Ferris
By Kennedy, Paul
By A. Jalata
By R. Boyce
By C. Holtz-Bacha, J. Stroemback
By C. Candlin, Jonathan Crichton
By J. Wiener
By M. Camino
By Professor Peter J. Beck (Kingston University, UK)
By H. Chignell
By M. Cullinane
By T. Simpson
By Alison R. Holmes, J. Rofe
By Desmond Tutu, Michael G. Long