“He was someone who had to live alone, someone who found it difficult to be with others for any length of time, because he only had one mode - that discreet art of withdrawal which had, no doubt, taken him years to perfect. He had no other strategies for getting along with people and, though his colleagues probably saw this as the mark of a gentle, erudite, considerate soul, I was suddenly able to see right through it. Not because I was so very perceptive, but because I was so like him. He had been living in that one mode for so long, he had almost forgotten about it, but I was a near-beginner, and for me it was painfully obvious.”