Frieda Heyting is Professor of Philosophy and History of Education at the University of Amsterdam. She has written mainly on epistemological issues and socio-philosophical issues within the philosophy of education. She is currently working on interpretations of dependency and participation in educational theory and philosophy.

Christopher Winch is Reader in Educational Policy and Management at King’s College, London. He has taught in primary schools in England, has written numerous books and articles in many areas of the philosophy of education and has interests in the theory of learning, in language and education, and in vocational education.