Archibald Armar Montgomery-Massingberd

Field Marshal Sir Archibald Armar Montgomery-Massingberd GCB, GCVO, KCMG, DL was the deputy commander of the British Fourth Army at the end of the First World War, and subsequently rose to be Chief of the Imperial General Staff before retiring in 1936.[ (Wikipedia biography)][1] [1]: https://en.wikipedia.org/wiki/Archibald_Montgomery-Massingberd