Profile: Marelize Visser

This month's letters detail the use of invisible connections in the Leadenhall Building, offer more thoughts on innovation in engineering, make the case for retaining historical building control records and more.

Alastair Hughes calls for the simplification of Eurocode 0's combination rule in the name of a clear, simple, safe design approach.

As head of sustainability across Ramboll's building structures division, Brogan MacDonald has made impressive progress in her short career so far. A year into the role, she talks to Helena Russell about how she got here, where she's going, and the importance of positive role models.