William Browning Smith, Encyclopædia Britannica, Ninth Edition…
“ When, on the failure of negotiations, war broke out, Elphinstone, though a civilian, acted as virtual aide-de-camp to General Wellesley. He was present at the battle of Assaye, and displayed such courage and knowledge of tactics throughout the whole campaign that Wellesley told him he had mistaken his profession, and that he ought to have been a soldier. In 1806, when the war closed, he was appointed British resident at Nagpore. ”
