Profile: Webb Yates Engineers

This month's letters continue to discuss the topic of gender balance, with readers making the case that diversity benefits business and proposing ways to address the current imbalance. Other topics include fire resistance in tall timber buildings, concrete and climate change, and the principle of virtual work.

Alastair Soane finds this to be a useful procedural manual that may encourage more engineers to participate in forensic engineering and failure investigations.

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