'Mike is such an economical painter, he paints nothing but masterpieces,' says Lucian Freud. Michael Andrews is one of Britain's most important and accessible artists. This week the Whitechapel Art Gallery, London, presents an exhibition of his recent work. Andrews has always been a reclusive figure, and has consistently refused to take part in any film. Now for the first time, he has agreed to talk to Omnibus. Producer Anna Benson Gyles Series producer Andrew Snell