The Dictionary of Human Geography, 5th Edition

DEREK GREGORY is Professor of Geography at the university of British Columbia, Vancouver.
RON JOHNSTON is Professor of Geography at the university of Bristol.
GERALDINE PRATT is Professor of Geography at the university of British Columbia, Vancouver.
MICHAEL J. WATTS is Professor of Geography at the university of California, Berkeley.
SARAH WHATMORE is Professor of Environment and Public Policy at the University of Oxford.