Samson Kambalu’s solution to running late for an interview is characteristically swashbuckling: he drives his flash car up on to the pavement outside the front gates of an ancient Oxford college, fishes me out of the porter’s lodge and screeches off to the car park round the back. He’s carrying a large bunch of keys with which, like a dandified Hagrid, he unlocks the secrets of the Potterian world in which he has found himself, as associate professor of fine art at the Ruskin School of Art and fellow of Magdalen.
The problem with Oxford’s much contested statue of Cecil Rhodes, he tells me, as we negotiate a winding staircase up to the