M.A.K. HALLIDAY is Emeritus Professor of Linguistics at the University of Sydney, Australia.

CHRISTIAN M.I.M. MATTHIESSEN is Chair Professor of the Department of English in the Faculty of Humanities at Hong Kong Polytechnic University.

M.A.K. HALLIDAY is Emeritus Professor of Linguistics at the University of Sydney, Australia.

CHRISTIAN M.I.M. MATTHIESSEN is Chair Professor of the Department of English in the Faculty of Humanities at Hong Kong Polytechnic University. Less