High Quality Content by WIKIPEDIA articles! Field Marshal Herbert Charles Onslow Plumer, 1st Viscount Plumer, GCB, GCMG, GCVO, GBE (13 March 1857 – 16 July 1932) was a British colonial official and soldier born in Torquay who commanded the British Second Army in World War I and later served as High Commissioner of the British Mandate for Palestine.