Thomson Leiper of Kilmarnock was a 2nd Lieutenant in the King's Own Scottish Borderers, serving in France. In 1918 he was wounded in the arm and narrowly avoided a head wound from a German bullet which penetrated his helmet. He spent some time in the Dick Institute hospital.
The rank insignia - one 'pip' - on the cuffs denotes a Second Lieutenant. Later in the war officers' insignia was repositioned to the tunic epaulettes.