Thank you to Jessica for allowing me to post the pictures of her Grandfather John David (known as Jack). She could match the information as well as the image to her Grandfather and gave me the following piece of lovely extra evidence:
” One more thing, the mark on his head is spot on, he had a habit of rubbing his head when he was concentrating, my nan used to nag him about it, we used to giggle cause she would shout at him and make him jump, childhood memory. Xx”
