Russell Cross is Professor of Education at the University of Melbourne, Australia. He specialises in Vygotskian sociocultural accounts of teachers' professional knowledge, practical expertise, and professional learning and development.

Carmen Mills is Associate Professor at The University of Queensland, Australia. Her work within the field of the sociology of educaion draws on Bourdieu and focuses on educational inequality.

Trevor Gale is Emeritus Professor of the Sociology of Education and Fellow of the Academy of Social Sciences, UK. His research is focused on the reproduction of inequalities through schooling and higher education.