About this author
Sheridan Williams is Director of the Computing Section of the British Astronomical Association, Fellow of the Royal Astronomical Society and Secretary of the Open University Astronomy Club. In 1966 he built his own telescope and has since travelled to, and seen, 12 total and two annular eclipses, and the 2004 Venus transit. His publications include a book on UK solar eclipses, and Bradt’s Total Solar Eclipse 2006, and 2008 & 2009. He was also consultant for Africa and Madagascar: Total Eclipse 2001 & 2002 published by Bradt, and his articles have appeared in Astronomy Now magazine, and eclipse papers in the BAA Journal. Sheridan has appeared on television and radio, and presented Sky TV’s total eclipse programme from Cornwall in 1999. He writes regular features for his local newspaper and lectures widely to astronomical societies and other interest groups. He is also an astronomy travel consultant and guide, leading groups to see various astronomical events such as aurorae and meteor showers. He is a guide at the National Museum of Computing at Bletchley Park whose star attraction is Colossus – the world’s first programmable digital computer.