sentences:  From 2002 to 2007, and in tribute to "a master storyteller and man of great vision and imagination", the Sci-Fi-London Film Festival hosted the annual Douglas Adams Memorial Debates.These consisted of a lively panel discussion, made up of critics, authors, experts and academics, debating questions raised where science fiction meets science fact.With the aim of promoting Film-making, as well as Film-watching, in 2008 SCI-FI-LONDON launched its first 48 Hour Film Challenge.