This was the Esperanto Association of Britain's site from 2005 to 2018. You will find its current site at esperanto.org.uk.
For over a quarter of a century (between 1973 and 2000) William Auld was the editor of EAB's review La Brita Esperantisto, and the Spring 2007 issue is a special edition focussing on his life and works.
Besides being an accomplished author in, and transator into Esperanto, Bill was also an excellent teacher. EAB recently published a collection of his practical exercises and tips on translation as the book Traduku!, available from the EAB Bookshop.