Alastair Preston Reynolds (born 13 March 1966) is a British science fiction author. He specialises in hard science fiction and space opera. He spent his early years in Cornwall, moved back to Wales before going to Newcastle University, where he read physics and astronomy. Afterwards, he earned a PhD in astrophysics from the University of St Andrews. In 1991, he moved to Noordwijk in the Netherlands where he met his wife Josette (who is from France). There, he worked for the European Space Research and Technology Centre (part of the European Space Agency) until 2004 when he left to pursue writing full-time.