But the thing is, said Horley, they didn t know each other at all. Never heard of each other. It wasn t about the makers. Only about the works. On a dark winter s night in 1970, Horley and Grinstead huddle for warmth in the Senior Common Room of a college in Oxford. Conversation turns to the two impressive works of art that Horley has recently added to his collection. What the two men don t know...