By Max Landsberg, Landsberg, Max
By Hudson Ph.D., Frederic M.
By Wiseman, Ed
By Cox, David
By Brammer, Janet, Penning, Aubrey
By Brammer, Janet
By Walker, Sam
By Shelton, Claudia
By Taylor, John
By Duckworth, Angela
By Safi Bahcall
By BJ Fogg (Behaviour Scientist)
By R. Eisler
By Miller
By Bill Hybels
By Sue Bishop
By Alex Ferguson
By Morgen
By Sir John Whitmore
By James Kerr
By Mary Connor, Julia Pokora
By Elizabeth Aston, Paula Hallam
By Kim Craig, Barbara Smith
By David Kay, Roger Hinds
By Brinkman, Rick, Kirschner, Dr. Rick
By Dr. Magdalena Battles
By Charney, Cy, Conway, Kathy
By John C. Maxwell
By Douglas Armour
By Peter Kline