Simon Guerrier

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<p>Simon Guerrier has written countless <em>Doctor Who</em> books, comics, audio plays, and documentaries. As research for one of his <em>Doctor Who</em> stories, he took night classes in astronomy at the Royal Observatory Greenwich—which resulted in an A-plus and the plot for another <em>Doctor Who</em> story. Simon regularly writes for <em>Horrible Histories</em> magazine and the medical journal <em>The Lancet Psychiatry</em>. With his brother Thomas, Simon also makes films and documentaries—most recently <em>The Fundamentalist Queen</em>, about the wife of Oliver Cromwell, broadcast by the BBC in December 2014.</p>