The rear of this photograph clearly states that it was taken in Castle Drumtochty in 1910. It could be that Dr Glover was a member of the University Officer Training Corps at this time. Dr Glover is seated Front Left according to the rear with his head partially concealed. The rear says:
No 1 Transport Section RAMC (Royal Army Medical Corps)
Drumtochty, 1910
Back Row Left to Right:
Angus Legg, Willie Henderson, Jimmie Steward, Archie Frasier, Willi Hogg, ?, K.P. Mackenzie, Bill Taylor (with broom)
W.E.G., QMS ?, Sergeant Major Street, E.A. Pearson, W.P. Milligan