Alan Crosby admits he’s hooked on sleuthing - following the clues in the search for missing ancestors. I naturally turned to the greatest of them all (although I’m partial to Poirot, and Joan Hickson was a mean Miss Marple). But Jeremy Brett as Holmes! Swoon. Anyway, in this illustration I had great fun working out how to show the tweed and experimenting with a few different tools and techniques. For Who Do You Think You Are magazine