Adam Gopnik looks at Papa’s biography, writing style, and (yes) kinks, and finds that, for all the “stoical stance” in his prose and his persona, he had quite a sensual (if not quite hedonistic) side – and, what’s more, “he was naturally garrulous and jocose: indeed, by the time he was a celebrity he was so garrulous and jocose that it shocked people, though he was just being himself.”