So vivid is my recollection of the birth of Benjamin Black that surely, I feel, a cunning artificer has been at work, fashioning a surreally realistic picture of something that happened quite differently from what I seem to remember. Consider that light falling on the sea, how effulgent and steady it is; consider the trees, improbably full-leafed for the time of year – and look at those birds! Has Madam Memory really such a piercing eye for detail, are her powers of recall so comprehensive?