By David Hollar
By Susan Blackmore (Visiting Professor in Psychology, University of Plymouth)
By Sue Gerhardt (Private Practice, Oxford, UK)
By Kate Silverton
By Pete Gilbert
By Paula Crimmens
By Brian Sutton-Smith
By Leslie Smith
By Jean Stilwell Peccei (formerly at Roehampton University, UK)
By Bruce D. Perry, Maia Szalavitz
By Robert Coles
By Alison Sealey
By Richard De Mille
By Miller, Alice
By Julian Sleigh
By Various
By Jane Healy
By L. S. Vygotsky, Michael Cole, Vera John-Steiner, Sylvia Scribner, Ellen Souberman
By Victoria Johnson, Edda Ivan-Smith, Gill Gordon, Pat Pridmore, Patta Scott
By Marjorie Wallace
By Margot Sunderland, Nicky Armstrong
By Lynne Namka, Ed.D.
By Robert Plomin
By Cathy Nutbrown
By John Holt
By Robin Norwood
By David Epston, Jennifer Freeman, Dean Lobovits
By Suniya S. Luthar (Columbia University, New York)
By Alan M. Slater, Paul C. Quinn