Complex sentence: Lieutenant Colonel Hugh Alexander Pollock DSO (29 July 1888--6 November 1971) was a British publishing editor, who served as a soldier in the Royal Scots Fusiliers in the First World War and in the Auxiliary Military Pioneer Corps in the Second World War.
Split into simpler sentences: Lieutenant Colonel Hugh Alexander Pollock DSO (29 July 1888--6 November 1971) was a British publishing editor. He served as a soldier in the Royal Scots Fusiliers in the First World War and in the Auxiliary Military Pioneer Corps in the Second World War.