Journalist, award-winning author and broadcaster, Stuart Clark has devoted his career to presenting the complex and dynamic world of astronomy to the general public. Stuart holds a first-class honours degree and a phd in astrophysics. A Visiting Fellow at the University of Hertfordshire, he is a Fellow of the Royal Astronomical Society and a former Vice Chair of the Association of British Science Writers. Stuart is a regular contributor to national and international radio and television programme. He frequently lectures throughout the UK and, increasingly, throughout the world.