Complex sentence: Colonel Sir Charles Frederick Arden-Close, KBE CB CMG FRS (10 August 1865--19 December 1952) was a British geographer and surveyor, he was Director General of the Ordnance Survey from 1911 to 1922.
Split into simpler sentences: Colonel Sir Charles Frederick Arden-Close, KBE CB CMG FRS (10 August 1865--19 December 1952) was a British geographer and surveyor. He was Director General of the Ordnance Survey from 1911 to 1922.