This week Adam Walton explores "inspiration" and meets three scientists in Wales who discuss key inspirational moments in their lives, which have led them to pursue a career in science.

Dr Edward Gomez is Education Director for Las Cumbras Observatory Global Telescope Network in Cardiff University.

Dr Anna Croft is a bio-chemist at Bangor University and was recently awarded a Welsh Crucible Fellowship to develop her research.

Dr Tom Crick is a senior lecturer in computer science at UWIC, and 2011 British Science Association Media Fellow.