## Articles

**John Billingham**investigates and saves the national grid in the process.

**Peter Markowich**is a mathematician who likes to take pictures. At first his two interests seemed completely separate to him, but then he realised that behind every picture there is a mathematical story to tell.

*Plus*went to see him to find out more, and ended up with a pictorial introduction to partial differential equations.

**José-Manuel Rey**revisits a scene of the film

*A beautiful Mind*.

**Neil Pieprzak**tells the fascinating story of Andrew Wiles who, with intense devotion and in secret, proved a deceptively simple-looking conjecture that had defeated mathematicians for almost 400 years.

**Liz Newton**finds that having a small brain doesn't stop you doing great things.

**Peter Macgregor**explores the beautiful world of the infinite.

**Stefan Kopieczek**explores his story.