He had previously taught at Huddersfield Polytechnic , the University of Oxford , and Keble College , Oxford .
Since 1996 , he has been Master of Hatfield College , Durham and Professor of Geography at the University of Durham .
Master had previously taught at Huddersfield Polytechnic , the University of Oxford , and Keble College , Oxford .
Since 1996 , he has been Master of Hatfield College , Durham and Professor of Geography at the University of Durham .