Profile: Werner Sobek

This month's letters include discussion on building control compliance forms, structural engineering ethics and more.

From plastic theory to magnificent cathedrals, Jacques Heyman has had a long and varied career. Helena Russell maps the highlights.

Tom Howarth found himself fully immersed in a major steel reuse project just a couple of years after graduating – now he's bringing his knowledge and experience to bear on developing a template for the 'circular city'. Helena Russell reports.