Noted scientist and founder of the Planetary and Space Sciences Research Institute at Open University. He is perhaps best known for his work on the ill-fated Beagle 2 project.
Despite claiming not to be a good science student, he earned his Ph.D. in Chemistry from University College of Swansea.
His studies on asteroids were referenced in the blockbuster film Jurassic Park.
His father, Alfred, worked for the Gas Board.
The title of his Mars lander project, Beagle 2, was inspired by Charles Darwin's ship, the HMS Beagle.