“Kingsley used to tell the following anecdote about sibling rivalry – how he found me, when I was four or five, lying on the stairs in an ecstasy of grief, how he worriedly knelt at my side and, after several minutes, managed to quell my hiccuppy gaspings, my heaving chest. Then he said, ‘Easy now . . . What is it?’ When at last I could find and shape the words, I said, ‘Philip had a biscuit’ . . .”