Although Brian May (London) is best known to the world as the lead guitarist of supergroup Queen, he has a PhD in astrophysics and is an expert in 3D photography. He co-wrote Bang! The Complete History of the Universe with Chris Lintott and Patrick Moore, A Village Lost and Found with Elena Vidal and Diableries: Stereoscopic Adventures in Hell with Denis Pellerin and Paula Fleming., Simon Bradley (London) has been a professional guitar journalist since 1996 and is currently multimedia editor at Guitarist magazine. He has also written for Total Guitar, Guitar Techniques, SFX, Classic Rock, Guitarrista (Spain'), 'and many websites, including Brian's own brianmay.com.