A trove of 2,500 photographs taken by Christina Broom, the UK's first female press photographer, is on show at museum
The grinning young officer with the thick spectacles is called Jack, and it was because of his terrible eyesight that his father had to pull strings to get him into the army and out to the western front. A year after the image was taken he was dead at the Battle of Loos.
The father in question was Rudyard Kipling who, as is well known, was racked with guilt over the death, writing about it in his poem My Boy Jack.