Stuart Clark is a UK-based science journalist with a PhD in astrophysics. He is a Visiting Fellow of the University of Hertfordshire and a former editor of the United Kingdom's best-selling astronomy magazine, Astronomy Now. Currently he writes for the European Space Agency, New Scientist and BBC Focus and is also the author of several books, including Journey to the Stars and Universe in Focus: The Story of the Hubble Telescope. His latest title, The Sun Kings: The Unexpected Tragedy of Richard Carrington and the Tale of How Modern Astronomy Began (upon which this article is based) is published by Princeton University Press. It is also the winner of the 2007 PSP (Professional and Scholarly Publishing) award for excellence in the category of cosmology and astronomy.