Lorne Cuthbert Montgomery attended St. Andrew's College from 1909-1912. 

He served as a Captain in the First World War with the 42nd Battalion for which he was awarded the Military Cross (see below).

During the Second World War he served as a Colonel with the Canadian Army Medical Corps where he was stationed at the Canadian Military Headquarters in England and assisted with the planning of medical arrangements for the D-Day invasion of France. He was created an Officer of the Order of the British Empire in 1945 (see below.)
 

Officer, Order of the British Empire

"Colonel Montgomery arrived in the United Kingdom in July 1941 where he has since been employed as Consultant in Medicine at Canadian Military Headquarters. He has carried out his duties with outstanding ability, which was particularly noticeable during the planning of medical arrangements for the invasion of France.  It was in no small measure due to this officer's efforts that medical units were able to function smoothly at this most critical period." 

Awarded as per Canada Gazette dated 1 January 1945 and CARO/5244 dated 5 January 1945

New Year award; 1918. No citation..

London Gazette January 1, 1918; Canada Gazette January 26, 1918, P2491