The best way to contact me is by e-mail
E-mail: p.longley{[at]}ucl.ac.uk
Telephone +44 (0) 207 679 0500
Hard copy mail should be addressed to:
Professor Paul Longley
Professor of Geographic Information Science
Department of Geography
University College London
North West Wing, Room 123
Gower Street
LONDON WC1E 6BT