Ian Firth is a structural engineer and bridge designer, with a portfolio that stretches from the longest to the shortest bridges. He is the only structural engineer to give a TED talk on the main stage and has spent almost his entire career at Flint & Neill, now part of Cowi. If you would like to know more about Ian's work, his website is www.ianfirth.com.

Head to www.iabse.org.uk for more information about the IABSE British Group. If you prefer to watch these conversations on YouTube, our channel is available here: https://www.youtube.com/channel/UC7n7QnM1aHKIagXeohu0_6g