Immanuel Kant
Lorin W. Anderson
Elliot W. Eisner
John Taylor Gatto
Howard Ozmon
Robert Frank Mager
Mortimer J. Adler
Howard Gardner
Jerome S. Bruner
Thomas Sowell
Maxine Greene
William Glasser
Jean Piaget
Neil Postman
Alfie Kohn
John Adams
Pierre Lecomte du Noüy
R. F. Dearden
Decker F. Walker
Cornel M. Hamm