Sir David Attenborough gives a personal introduction to the exhibition A world of private mystery: John Craxton, RA (1922-2009) at the Fitzwilliam Museum, Cambridge. Talking about his friendship with the artist, he explains why he thinks Craxton was one of the greatest British painters of the 20th century, and why his art painted in Greece brings to life the incredible iridescent 'champagne' light of the Mediterranean.
