File:JOface.jpg

Summary
William Arthur Dunkerley (a.k.a. John Oxenham), taken from a group photograph of the Dunkerley family, used in several books about members of the family, including

Fair use for John Oxenham
The image linked here is claimed to be used under fair use as:
 * 1) it is a historically significant photo of a famous individual;
 * 2) it is of much lower resolution than the original (copies made from it will be of very inferior quality)
 * 3) the photo is only being used for informational purposes.