Stephen Williams is Emeritus Professor of Human Geography at Staffordshire University, UK. His extensive interests in recreation and tourism are reflected in his publications, which include Outdoor Recreation and the Urban Environment (Routledge), Tourism and Recreation (Prentice Hall) and a four-volume edited work Tourism: critical concepts in the social sciences (Routledge).
Alan A. Lew is Professor of Geography, Planning and Recreation at Northern Arizona University, USA. He is the founding editor-in-chief of the journal Tourism Geographies and his publications include World Regional Geography: tourism destinations, human mobilities, sustainable environments (Kendall-Hunt) and Understanding and Managing Tourism Impacts: an integrated approach (Routledge).