William Styron, David D. Burns, Peter D. Kramer, Bruno Bettelheim, John Welwood, Mark Epstein, John E. Nelson, Hyla Cass, Martha Manning, Connie Zweig, David H. Rosen, Joanna Macy, Alexander Lowen, Michael Washburn, Linda Schierse Leonard, Kathy Cronkite, Roberto Assagioli, Francoise O'Kane, Steven Levine, Thomas Moore, Eric Fromm, Frank Gruba-McCallister, Beverly Lockwood-Conlan, Shyloh Ravenswood, Caryn Levington