Dale Carnegie Stephen Covey Abraham Maslow Anthony Robbins Napoleon Hill Ngakpa Chogyam Tom Gilady Niza Eyal Nestor Capoeira Ram Oren Laura Slessinger Laura Schlessinger Stephen R. Covey Irving Wallace Og Mandino Muhammad Yunus Jack Welch Helen Fisher Andre Kukla Harold Kushner Gary Small James Allen Hannah Green Timothy Ferris David Allen Robert Kiyosaki Franklin Covey William James Sophia Mello Breyner Andresen Al Berto Malcolm Gladwell Clotaire Rapaille Nick Tasler Jo Soares Gregg Easterbrook E. B. White Ken Blanchard Christiane F Robert Dilts Danielle Steele David Bach Sophia De Mello Breyner Tim Ferris Joseph Keller Ricardo Semler John Boyne Mark Victor Hanson Robert Allen