Manuel Castells

Professor of Sociology and Professor of City and Regional Planning at the University of California, Berkeley

http://en.wikipedia.org/wiki/Manuel_Castells

http://sociology.berkeley.edu/faculty/castells/

http://hjem.get2net.dk/gronlund/Castells.html

http://www.tidec.org/geovisions/Castells.html

strong interest in Urbanization