Colin Tucker has worked in the UK nuclear industry for 30 years, most of that time at Sizewell B power station. He specialises in 'Nuclear Safety': the safe running of the reactor, ensuring that the station is always ready to cope with anything that might happen. Over much of his career he has spent time visiting Schools, Clubs and other venues to talk about nuclear power stations - how they work, how they can be kept safe etc. In his spare time he is a bat enthusiast and a guard and signalman on the Ffestiniog Railway.