David Dale Logan DSO OBE FRSE (20 August 1879 – 16 November 1956) was a distinguished Scottish physician, soldier and medical author.
[2] In the First World War he served with distinction in the Royal Army Medical Corps, rising to the rank of lieutenant colonel.
He was official Gas Warfare advisor to the British 2nd Army from 1915 and Engineer-in-Chief at GHQ from 1917.
[3] In the Second World War he acted as a military advisor, and also served in the Home Guard, and was a appointed an Officer of the Order of the British Empire in the military division in 1944, in recognition of meritorious service in the Home Guard.
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