The National Gallery, London The National Gallery in London houses one of the richest collections of paintings in the world. As Sir Michael Levey says in his preface to Homan Potterton's guide, "No eye will ever exhaust the enjoyment these pictures provide, and a lifetime spent gazing at them is wisely spent." Homan Potterton, an Assistant Keeper at the National Gallery for many years, tells the story of the growth of this gr... Full description